restore HEAD after accidental deletion by error in automated build script

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diff --git a/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Control.java b/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Control.java
new file mode 100755
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--- /dev/null
+++ b/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Control.java
@@ -0,0 +1,4894 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2009 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.swt.widgets;
+
+
+import org.eclipse.swt.internal.gdip.*;
+import org.eclipse.swt.internal.win32.*;
+import org.eclipse.swt.graphics.*;
+import org.eclipse.swt.*;
+import org.eclipse.swt.events.*;
+import org.eclipse.swt.accessibility.*;
+
+/**
+ * Control is the abstract superclass of all windowed user interface classes.
+ * <p>
+ * <dl>
+ * <dt><b>Styles:</b>
+ * <dd>BORDER</dd>
+ * <dd>LEFT_TO_RIGHT, RIGHT_TO_LEFT</dd>
+ * <dt><b>Events:</b>
+ * <dd>DragDetect, FocusIn, FocusOut, Help, KeyDown, KeyUp, MenuDetect, MouseDoubleClick, MouseDown, MouseEnter,
+ *     MouseExit, MouseHover, MouseUp, MouseMove, Move, Paint, Resize, Traverse</dd>
+ * </dl>
+ * </p><p>
+ * Only one of LEFT_TO_RIGHT or RIGHT_TO_LEFT may be specified.
+ * </p><p>
+ * IMPORTANT: This class is intended to be subclassed <em>only</em>
+ * within the SWT implementation.
+ * </p>
+ * 
+ * @see <a href="http://www.eclipse.org/swt/snippets/#control">Control snippets</a>
+ * @see <a href="http://www.eclipse.org/swt/examples.php">SWT Example: ControlExample</a>
+ * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a>
+ * @noextend This class is not intended to be subclassed by clients.
+ */
+
+public abstract class Control extends Widget implements Drawable {
+	/**
+	 * the handle to the OS resource 
+	 * (Warning: This field is platform dependent)
+	 * <p>
+	 * <b>IMPORTANT:</b> This field is <em>not</em> part of the SWT
+	 * public API. It is marked public only so that it can be shared
+	 * within the packages provided by SWT. It is not available on all
+	 * platforms and should never be accessed from application code.
+	 * </p>
+	 */
+	public int /*long*/ handle;
+	Composite parent;
+	Cursor cursor;
+	Menu menu;
+	String toolTipText;
+	Object layoutData;
+	Accessible accessible;
+	Image backgroundImage;
+	Region region;
+	Font font;
+	int drawCount, foreground, background;
+
+/**
+ * Prevents uninitialized instances from being created outside the package.
+ */
+Control () {
+}
+
+/**
+ * Constructs a new instance of this class given its parent
+ * and a style value describing its behavior and appearance.
+ * <p>
+ * The style value is either one of the style constants defined in
+ * class <code>SWT</code> which is applicable to instances of this
+ * class, or must be built by <em>bitwise OR</em>'ing together 
+ * (that is, using the <code>int</code> "|" operator) two or more
+ * of those <code>SWT</code> style constants. The class description
+ * lists the style constants that are applicable to the class.
+ * Style bits are also inherited from superclasses.
+ * </p>
+ *
+ * @param parent a composite control which will be the parent of the new instance (cannot be null)
+ * @param style the style of control to construct
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the parent is null</li>
+ * </ul>
+ * @exception SWTException <ul>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li>
+ *    <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li>
+ * </ul>
+ *
+ * @see SWT#BORDER
+ * @see SWT#LEFT_TO_RIGHT
+ * @see SWT#RIGHT_TO_LEFT
+ * @see Widget#checkSubclass
+ * @see Widget#getStyle
+ */
+public Control (Composite parent, int style) {
+	super (parent, style);
+	this.parent = parent;
+	createWidget ();
+}
+
+/**
+ * Adds the listener to the collection of listeners who will
+ * be notified when the control is moved or resized, by sending
+ * it one of the messages defined in the <code>ControlListener</code>
+ * interface.
+ *
+ * @param listener the listener which should be notified
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
+ * </ul>
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ *
+ * @see ControlListener
+ * @see #removeControlListener
+ */
+public void addControlListener(ControlListener listener) {
+	checkWidget ();
+	if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
+	TypedListener typedListener = new TypedListener (listener);
+	addListener (SWT.Resize,typedListener);
+	addListener (SWT.Move,typedListener);
+}
+
+/**
+ * Adds the listener to the collection of listeners who will
+ * be notified when a drag gesture occurs, by sending it
+ * one of the messages defined in the <code>DragDetectListener</code>
+ * interface.
+ *
+ * @param listener the listener which should be notified
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
+ * </ul>
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ *
+ * @see DragDetectListener
+ * @see #removeDragDetectListener
+ * 
+ * @since 3.3
+ */
+public void addDragDetectListener (DragDetectListener listener) {
+	checkWidget ();
+	if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
+	TypedListener typedListener = new TypedListener (listener);
+	addListener (SWT.DragDetect,typedListener);
+}
+
+/**
+ * Adds the listener to the collection of listeners who will
+ * be notified when the control gains or loses focus, by sending
+ * it one of the messages defined in the <code>FocusListener</code>
+ * interface.
+ *
+ * @param listener the listener which should be notified
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
+ * </ul>
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ *
+ * @see FocusListener
+ * @see #removeFocusListener
+ */
+public void addFocusListener (FocusListener listener) {
+	checkWidget ();
+	if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
+	TypedListener typedListener = new TypedListener (listener);
+	addListener (SWT.FocusIn,typedListener);
+	addListener (SWT.FocusOut,typedListener);
+}
+
+/**
+ * Adds the listener to the collection of listeners who will
+ * be notified when help events are generated for the control,
+ * by sending it one of the messages defined in the
+ * <code>HelpListener</code> interface.
+ *
+ * @param listener the listener which should be notified
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
+ * </ul>
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ *
+ * @see HelpListener
+ * @see #removeHelpListener
+ */
+public void addHelpListener (HelpListener listener) {
+	checkWidget ();
+	if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
+	TypedListener typedListener = new TypedListener (listener);
+	addListener (SWT.Help, typedListener);
+}
+
+/**
+ * Adds the listener to the collection of listeners who will
+ * be notified when keys are pressed and released on the system keyboard, by sending
+ * it one of the messages defined in the <code>KeyListener</code>
+ * interface.
+ * <p>
+ * When a key listener is added to a control, the control
+ * will take part in widget traversal.  By default, all
+ * traversal keys (such as the tab key and so on) are
+ * delivered to the control.  In order for a control to take
+ * part in traversal, it should listen for traversal events.
+ * Otherwise, the user can traverse into a control but not
+ * out.  Note that native controls such as table and tree
+ * implement key traversal in the operating system.  It is
+ * not necessary to add traversal listeners for these controls,
+ * unless you want to override the default traversal.
+ * </p>
+ * @param listener the listener which should be notified
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
+ * </ul>
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ *
+ * @see KeyListener
+ * @see #removeKeyListener
+ */
+public void addKeyListener (KeyListener listener) {
+	checkWidget ();
+	if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
+	TypedListener typedListener = new TypedListener (listener);
+	addListener (SWT.KeyUp,typedListener);
+	addListener (SWT.KeyDown,typedListener);
+}
+
+/**
+ * Adds the listener to the collection of listeners who will
+ * be notified when the platform-specific context menu trigger
+ * has occurred, by sending it one of the messages defined in
+ * the <code>MenuDetectListener</code> interface.
+ *
+ * @param listener the listener which should be notified
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
+ * </ul>
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ *
+ * @see MenuDetectListener
+ * @see #removeMenuDetectListener
+ *
+ * @since 3.3
+ */
+public void addMenuDetectListener (MenuDetectListener listener) {
+	checkWidget ();
+	if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
+	TypedListener typedListener = new TypedListener (listener);
+	addListener (SWT.MenuDetect, typedListener);
+}
+
+/**
+ * Adds the listener to the collection of listeners who will
+ * be notified when mouse buttons are pressed and released, by sending
+ * it one of the messages defined in the <code>MouseListener</code>
+ * interface.
+ *
+ * @param listener the listener which should be notified
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
+ * </ul>
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ *
+ * @see MouseListener
+ * @see #removeMouseListener
+ */
+public void addMouseListener (MouseListener listener) {
+	checkWidget ();
+	if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
+	TypedListener typedListener = new TypedListener (listener);
+	addListener (SWT.MouseDown,typedListener);
+	addListener (SWT.MouseUp,typedListener);
+	addListener (SWT.MouseDoubleClick,typedListener);
+}
+
+/**
+ * Adds the listener to the collection of listeners who will
+ * be notified when the mouse passes or hovers over controls, by sending
+ * it one of the messages defined in the <code>MouseTrackListener</code>
+ * interface.
+ *
+ * @param listener the listener which should be notified
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
+ * </ul>
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ *
+ * @see MouseTrackListener
+ * @see #removeMouseTrackListener
+ */
+public void addMouseTrackListener (MouseTrackListener listener) {
+	checkWidget ();
+	if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
+	TypedListener typedListener = new TypedListener (listener);
+	addListener (SWT.MouseEnter,typedListener);
+	addListener (SWT.MouseExit,typedListener);
+	addListener (SWT.MouseHover,typedListener);
+}
+
+/**
+ * Adds the listener to the collection of listeners who will
+ * be notified when the mouse moves, by sending it one of the
+ * messages defined in the <code>MouseMoveListener</code>
+ * interface.
+ *
+ * @param listener the listener which should be notified
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
+ * </ul>
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ *
+ * @see MouseMoveListener
+ * @see #removeMouseMoveListener
+ */
+public void addMouseMoveListener (MouseMoveListener listener) {
+	checkWidget ();
+	if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
+	TypedListener typedListener = new TypedListener (listener);
+	addListener (SWT.MouseMove,typedListener);
+}
+
+/**
+ * Adds the listener to the collection of listeners who will
+ * be notified when the mouse wheel is scrolled, by sending
+ * it one of the messages defined in the
+ * <code>MouseWheelListener</code> interface.
+ *
+ * @param listener the listener which should be notified
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
+ * </ul>
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ *
+ * @see MouseWheelListener
+ * @see #removeMouseWheelListener
+ *
+ * @since 3.3
+ */
+public void addMouseWheelListener (MouseWheelListener listener) {
+	checkWidget ();
+	if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
+	TypedListener typedListener = new TypedListener (listener);
+	addListener (SWT.MouseWheel, typedListener);
+}
+
+/**
+ * Adds the listener to the collection of listeners who will
+ * be notified when the receiver needs to be painted, by sending it
+ * one of the messages defined in the <code>PaintListener</code>
+ * interface.
+ *
+ * @param listener the listener which should be notified
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
+ * </ul>
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ *
+ * @see PaintListener
+ * @see #removePaintListener
+ */
+public void addPaintListener (PaintListener listener) {
+	checkWidget ();
+	if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
+	TypedListener typedListener = new TypedListener (listener);
+	addListener (SWT.Paint,typedListener);
+}
+
+/**
+ * Adds the listener to the collection of listeners who will
+ * be notified when traversal events occur, by sending it
+ * one of the messages defined in the <code>TraverseListener</code>
+ * interface.
+ *
+ * @param listener the listener which should be notified
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
+ * </ul>
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ *
+ * @see TraverseListener
+ * @see #removeTraverseListener
+ */
+public void addTraverseListener (TraverseListener listener) {
+	checkWidget ();
+	if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
+	TypedListener typedListener = new TypedListener (listener);
+	addListener (SWT.Traverse,typedListener);
+}
+
+int /*long*/ borderHandle () {
+	return handle;
+}
+
+void checkBackground () {
+	Shell shell = getShell ();
+	if (this == shell) return;
+	state &= ~PARENT_BACKGROUND;
+	Composite composite = parent;
+	do {
+		int mode = composite.backgroundMode;
+		if (mode != 0) {
+			if (mode == SWT.INHERIT_DEFAULT) {
+				Control control = this;
+				do {
+					if ((control.state & THEME_BACKGROUND) == 0) {
+						return;
+					}
+					control = control.parent;
+				} while (control != composite);
+			}
+			state |= PARENT_BACKGROUND;
+			return;
+		}
+		if (composite == shell) break;
+		composite = composite.parent;
+	} while (true);	
+}
+
+void checkBorder () {
+	if (getBorderWidth () == 0) style &= ~SWT.BORDER;
+}
+
+void checkBuffered () {
+	style &= ~SWT.DOUBLE_BUFFERED;
+}
+
+void checkComposited () {
+	/* Do nothing */
+}
+
+boolean checkHandle (int /*long*/ hwnd) {
+	return hwnd == handle;
+}
+
+void checkMirrored () {
+	if ((style & SWT.RIGHT_TO_LEFT) != 0) {
+		int bits = OS.GetWindowLong (handle, OS.GWL_EXSTYLE);
+		if ((bits & OS.WS_EX_LAYOUTRTL) != 0) style |= SWT.MIRRORED;
+	}
+}
+
+/**
+ * Returns the preferred size of the receiver.
+ * <p>
+ * The <em>preferred size</em> of a control is the size that it would
+ * best be displayed at. The width hint and height hint arguments
+ * allow the caller to ask a control questions such as "Given a particular
+ * width, how high does the control need to be to show all of the contents?"
+ * To indicate that the caller does not wish to constrain a particular 
+ * dimension, the constant <code>SWT.DEFAULT</code> is passed for the hint. 
+ * </p>
+ *
+ * @param wHint the width hint (can be <code>SWT.DEFAULT</code>)
+ * @param hHint the height hint (can be <code>SWT.DEFAULT</code>)
+ * @return the preferred size of the control
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ *
+ * @see Layout
+ * @see #getBorderWidth
+ * @see #getBounds
+ * @see #getSize
+ * @see #pack(boolean)
+ * @see "computeTrim, getClientArea for controls that implement them"
+ */
+public Point computeSize (int wHint, int hHint) {
+	return computeSize (wHint, hHint, true);
+}
+
+/**
+ * Returns the preferred size of the receiver.
+ * <p>
+ * The <em>preferred size</em> of a control is the size that it would
+ * best be displayed at. The width hint and height hint arguments
+ * allow the caller to ask a control questions such as "Given a particular
+ * width, how high does the control need to be to show all of the contents?"
+ * To indicate that the caller does not wish to constrain a particular 
+ * dimension, the constant <code>SWT.DEFAULT</code> is passed for the hint. 
+ * </p><p>
+ * If the changed flag is <code>true</code>, it indicates that the receiver's
+ * <em>contents</em> have changed, therefore any caches that a layout manager
+ * containing the control may have been keeping need to be flushed. When the
+ * control is resized, the changed flag will be <code>false</code>, so layout
+ * manager caches can be retained. 
+ * </p>
+ *
+ * @param wHint the width hint (can be <code>SWT.DEFAULT</code>)
+ * @param hHint the height hint (can be <code>SWT.DEFAULT</code>)
+ * @param changed <code>true</code> if the control's contents have changed, and <code>false</code> otherwise
+ * @return the preferred size of the control.
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ *
+ * @see Layout
+ * @see #getBorderWidth
+ * @see #getBounds
+ * @see #getSize
+ * @see #pack(boolean)
+ * @see "computeTrim, getClientArea for controls that implement them"
+ */
+public Point computeSize (int wHint, int hHint, boolean changed) {
+	checkWidget ();
+	int width = DEFAULT_WIDTH;
+	int height = DEFAULT_HEIGHT;
+	if (wHint != SWT.DEFAULT) width = wHint;
+	if (hHint != SWT.DEFAULT) height = hHint;
+	int border = getBorderWidth ();
+	width += border * 2;
+	height += border * 2;
+	return new Point (width, height);
+}
+
+Widget computeTabGroup () {
+	if (isTabGroup ()) return this;
+	return parent.computeTabGroup ();
+}
+
+Control computeTabRoot () {
+	Control [] tabList = parent._getTabList ();
+	if (tabList != null) {
+		int index = 0;
+		while (index < tabList.length) {
+			if (tabList [index] == this) break;
+			index++;
+		}
+		if (index == tabList.length) {
+			if (isTabGroup ()) return this;
+		}
+	}
+	return parent.computeTabRoot ();
+}
+
+Widget [] computeTabList () {
+	if (isTabGroup ()) {
+		if (getVisible () && getEnabled ()) {
+			return new Widget [] {this};
+		}
+	}
+	return new Widget [0];
+}
+
+void createHandle () {
+	int /*long*/ hwndParent = widgetParent ();
+	handle = OS.CreateWindowEx (
+		widgetExtStyle (),
+		windowClass (),
+		null,
+		widgetStyle (),
+		OS.CW_USEDEFAULT, 0, OS.CW_USEDEFAULT, 0,
+		hwndParent,
+		0,
+		OS.GetModuleHandle (null),
+		widgetCreateStruct ());
+	if (handle == 0) error (SWT.ERROR_NO_HANDLES);
+	int bits = OS.GetWindowLong (handle, OS.GWL_STYLE);
+	if ((bits & OS.WS_CHILD) != 0) {
+		OS.SetWindowLongPtr (handle, OS.GWLP_ID, handle);
+	}
+	if (OS.IsDBLocale && hwndParent != 0) {
+		int /*long*/ hIMC = OS.ImmGetContext (hwndParent);
+		OS.ImmAssociateContext (handle, hIMC);
+		OS.ImmReleaseContext (hwndParent, hIMC);
+	}
+}
+
+void createWidget () {
+	state |= DRAG_DETECT;
+	foreground = background = -1;
+	checkOrientation (parent);
+	createHandle ();
+	checkBackground ();
+	checkBuffered ();
+	checkComposited ();
+	register ();
+	subclass ();
+	setDefaultFont ();
+	checkMirrored ();
+	checkBorder ();
+	if ((state & PARENT_BACKGROUND) != 0) {
+		setBackground ();
+	}
+}
+
+int defaultBackground () {
+	if (OS.IsWinCE) return OS.GetSysColor (OS.COLOR_WINDOW);
+	return OS.GetSysColor (OS.COLOR_BTNFACE);
+}
+
+int /*long*/ defaultFont () {
+	return display.getSystemFont ().handle;
+}
+
+int defaultForeground () {
+	return OS.GetSysColor (OS.COLOR_WINDOWTEXT);
+}
+
+void deregister () {
+	display.removeControl (handle);
+}
+
+void destroyWidget () {
+	int /*long*/ hwnd = topHandle ();
+	releaseHandle ();
+	if (hwnd != 0) {
+		OS.DestroyWindow (hwnd);
+	}
+}
+
+/**
+ * Detects a drag and drop gesture.  This method is used
+ * to detect a drag gesture when called from within a mouse
+ * down listener.
+ * 
+ * <p>By default, a drag is detected when the gesture
+ * occurs anywhere within the client area of a control.
+ * Some controls, such as tables and trees, override this
+ * behavior.  In addition to the operating system specific
+ * drag gesture, they require the mouse to be inside an
+ * item.  Custom widget writers can use <code>setDragDetect</code>
+ * to disable the default detection, listen for mouse down,
+ * and then call <code>dragDetect()</code> from within the
+ * listener to conditionally detect a drag.
+ * </p>
+ *
+ * @param event the mouse down event
+ * 
+ * @return <code>true</code> if the gesture occurred, and <code>false</code> otherwise.
+ *
+ * @exception IllegalArgumentException <ul>
+ *   <li>ERROR_NULL_ARGUMENT when the event is null</li>
+ * </ul>
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ *  
+ * @see DragDetectListener
+ * @see #addDragDetectListener
+ * 
+ * @see #getDragDetect
+ * @see #setDragDetect
+ * 
+ * @since 3.3
+ */
+public boolean dragDetect (Event event) {
+	checkWidget ();
+	if (event == null) error (SWT.ERROR_NULL_ARGUMENT);
+	return dragDetect (event.button, event.count, event.stateMask, event.x, event.y);
+}
+
+/**
+ * Detects a drag and drop gesture.  This method is used
+ * to detect a drag gesture when called from within a mouse
+ * down listener.
+ * 
+ * <p>By default, a drag is detected when the gesture
+ * occurs anywhere within the client area of a control.
+ * Some controls, such as tables and trees, override this
+ * behavior.  In addition to the operating system specific
+ * drag gesture, they require the mouse to be inside an
+ * item.  Custom widget writers can use <code>setDragDetect</code>
+ * to disable the default detection, listen for mouse down,
+ * and then call <code>dragDetect()</code> from within the
+ * listener to conditionally detect a drag.
+ * </p>
+ *
+ * @param event the mouse down event
+ * 
+ * @return <code>true</code> if the gesture occurred, and <code>false</code> otherwise.
+ *
+ * @exception IllegalArgumentException <ul>
+ *   <li>ERROR_NULL_ARGUMENT when the event is null</li>
+ * </ul>
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ * 
+ * @see DragDetectListener
+ * @see #addDragDetectListener
+ * 
+ * @see #getDragDetect
+ * @see #setDragDetect
+ * 
+ * @since 3.3
+ */
+public boolean dragDetect (MouseEvent event) {
+	checkWidget ();
+	if (event == null) error (SWT.ERROR_NULL_ARGUMENT);
+	return dragDetect (event.button, event.count, event.stateMask, event.x, event.y);
+}
+
+boolean dragDetect (int button, int count, int stateMask, int x, int y) {
+	if (button != 1 || count != 1) return false;
+	boolean dragging = dragDetect (handle, x, y, false, null, null);
+	if (OS.GetKeyState (OS.VK_LBUTTON) < 0) {
+		if (OS.GetCapture () != handle) OS.SetCapture (handle);
+	}
+	if (!dragging) {
+		/*
+		* Feature in Windows.  DragDetect() captures the mouse
+		* and tracks its movement until the user releases the
+		* left mouse button, presses the ESC key, or moves the
+		* mouse outside the drag rectangle.  If the user moves
+		* the mouse outside of the drag rectangle, DragDetect()
+		* returns true and a drag and drop operation can be
+		* started.  When the left mouse button is released or
+		* the ESC key is pressed, these events are consumed by
+		* DragDetect() so that application code that matches
+		* mouse down/up pairs or looks for the ESC key will not
+		* function properly.  The fix is to send the missing
+		* events when the drag has not started.
+		* 
+		* NOTE: For now, don't send a fake WM_KEYDOWN/WM_KEYUP
+		* events for the ESC key.  This would require computing
+		* wParam (the key) and lParam (the repeat count, scan code,
+		* extended-key flag, context code, previous key-state flag,
+		* and transition-state flag) which is non-trivial.
+		*/
+		if (button == 1 && OS.GetKeyState (OS.VK_ESCAPE) >= 0) {
+			int wParam = 0;
+			if ((stateMask & SWT.CTRL) != 0) wParam |= OS.MK_CONTROL;
+			if ((stateMask & SWT.SHIFT) != 0) wParam |= OS.MK_SHIFT;
+			if ((stateMask & SWT.ALT) != 0) wParam |= OS.MK_ALT;
+			if ((stateMask & SWT.BUTTON1) != 0) wParam |= OS.MK_LBUTTON;
+			if ((stateMask & SWT.BUTTON2) != 0) wParam |= OS.MK_MBUTTON;
+			if ((stateMask & SWT.BUTTON3) != 0) wParam |= OS.MK_RBUTTON;
+			if ((stateMask & SWT.BUTTON4) != 0) wParam |= OS.MK_XBUTTON1;
+			if ((stateMask & SWT.BUTTON5) != 0) wParam |= OS.MK_XBUTTON2;
+			int /*long*/ lParam = OS.MAKELPARAM (x, y);
+			OS.SendMessage (handle, OS.WM_LBUTTONUP, wParam, lParam);
+		}
+		return false;
+	}
+	return sendDragEvent (button, stateMask, x, y);
+}
+
+void drawBackground (int /*long*/ hDC) {
+	RECT rect = new RECT ();
+	OS.GetClientRect (handle, rect);
+	drawBackground (hDC, rect);
+}
+
+void drawBackground (int /*long*/ hDC, RECT rect) {
+	drawBackground (hDC, rect, -1);
+}
+
+void drawBackground (int /*long*/ hDC, RECT rect, int pixel) {
+	Control control = findBackgroundControl ();
+	if (control != null) {
+		if (control.backgroundImage != null) {
+			fillImageBackground (hDC, control, rect);
+			return;
+		}
+		pixel = control.getBackgroundPixel ();
+	}
+	if (pixel == -1) {
+		if ((state & THEME_BACKGROUND) != 0) {
+			if (OS.COMCTL32_MAJOR >= 6 && OS.IsAppThemed ()) {
+				control = findThemeControl ();
+				if (control != null) {
+					fillThemeBackground (hDC, control, rect);
+					return;
+				}
+			}
+		}
+	}
+	if (pixel == -1) pixel = getBackgroundPixel ();
+	fillBackground (hDC, pixel, rect);
+}
+
+void drawImageBackground (int /*long*/ hDC, int /*long*/ hwnd, int /*long*/ hBitmap, RECT rect) {
+	RECT rect2 = new RECT ();
+	OS.GetClientRect (hwnd, rect2);
+	OS.MapWindowPoints (hwnd, handle, rect2, 2);
+	int /*long*/ hBrush = findBrush (hBitmap, OS.BS_PATTERN);
+	POINT lpPoint = new POINT ();
+	OS.GetWindowOrgEx (hDC, lpPoint);
+	OS.SetBrushOrgEx (hDC, -rect2.left - lpPoint.x, -rect2.top - lpPoint.y, lpPoint);
+	int /*long*/ hOldBrush = OS.SelectObject (hDC, hBrush);
+	OS.PatBlt (hDC, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, OS.PATCOPY);
+	OS.SetBrushOrgEx (hDC, lpPoint.x, lpPoint.y, null);
+	OS.SelectObject (hDC, hOldBrush);
+}
+
+void drawThemeBackground (int /*long*/ hDC, int /*long*/ hwnd, RECT rect) {
+	/* Do nothing */
+}
+
+void enableDrag (boolean enabled) {
+	/* Do nothing */
+}
+
+void enableWidget (boolean enabled) {
+	OS.EnableWindow (handle, enabled);
+}
+
+void fillBackground (int /*long*/ hDC, int pixel, RECT rect) {
+	if (rect.left > rect.right || rect.top > rect.bottom) return;
+	int /*long*/ hPalette = display.hPalette;
+	if (hPalette != 0) {
+		OS.SelectPalette (hDC, hPalette, false);
+		OS.RealizePalette (hDC);
+	}
+	OS.FillRect (hDC, rect, findBrush (pixel, OS.BS_SOLID));
+}
+
+void fillImageBackground (int /*long*/ hDC, Control control, RECT rect) {
+	if (rect.left > rect.right || rect.top > rect.bottom) return;
+	if (control != null) {
+		Image image = control.backgroundImage;
+		if (image != null) {
+			control.drawImageBackground (hDC, handle, image.handle, rect);
+		}
+	}
+}
+
+void fillThemeBackground (int /*long*/ hDC, Control control, RECT rect) {
+	if (rect.left > rect.right || rect.top > rect.bottom) return;
+	if (control != null) {
+		control.drawThemeBackground (hDC, handle, rect);
+	}
+}
+
+Control findBackgroundControl () {
+	if (background != -1 || backgroundImage != null) return this;
+	return (state & PARENT_BACKGROUND) != 0 ? parent.findBackgroundControl () : null;
+}
+
+int /*long*/ findBrush (int /*long*/ value, int lbStyle) {
+	return parent.findBrush (value, lbStyle);
+}
+
+Cursor findCursor () {
+	if (cursor != null) return cursor;
+	return parent.findCursor ();
+}
+
+Control findImageControl () {
+	Control control = findBackgroundControl ();
+	return control != null && control.backgroundImage != null ? control : null;
+}
+
+Control findThemeControl () {
+	return background == -1 && backgroundImage == null ? parent.findThemeControl () : null;
+}
+
+Menu [] findMenus (Control control) {
+	if (menu != null && this != control) return new Menu [] {menu};
+	return new Menu [0];
+}
+
+char findMnemonic (String string) {
+	int index = 0;
+	int length = string.length ();
+	do {
+		while (index < length && string.charAt (index) != '&') index++;
+		if (++index >= length) return '\0';
+		if (string.charAt (index) != '&') return string.charAt (index);
+		index++;
+	} while (index < length);
+ 	return '\0';
+}
+
+void fixChildren (Shell newShell, Shell oldShell, Decorations newDecorations, Decorations oldDecorations, Menu [] menus) {
+	oldShell.fixShell (newShell, this);
+	oldDecorations.fixDecorations (newDecorations, this, menus);
+}
+
+void fixFocus (Control focusControl) {
+	Shell shell = getShell ();
+	Control control = this;
+	while (control != shell && (control = control.parent) != null) {
+		if (control.setFixedFocus ()) return;
+	}
+	shell.setSavedFocus (focusControl);
+	OS.SetFocus (0);
+}
+
+/**
+ * Forces the receiver to have the <em>keyboard focus</em>, causing
+ * all keyboard events to be delivered to it.
+ *
+ * @return <code>true</code> if the control got focus, and <code>false</code> if it was unable to.
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ *
+ * @see #setFocus
+ */
+public boolean forceFocus () {
+	checkWidget ();
+	if (display.focusEvent == SWT.FocusOut) return false;
+	Decorations shell = menuShell ();
+	shell.setSavedFocus (this);
+	if (!isEnabled () || !isVisible () || !isActive ()) return false;
+	if (isFocusControl ()) return true;
+	shell.setSavedFocus (null);
+	/*
+	* This code is intentionally commented.
+	*
+	* When setting focus to a control, it is
+	* possible that application code can set
+	* the focus to another control inside of
+	* WM_SETFOCUS.  In this case, the original
+	* control will no longer have the focus
+	* and the call to setFocus() will return
+	* false indicating failure.
+	* 
+	* We are still working on a solution at
+	* this time.
+	*/
+//	if (OS.GetFocus () != OS.SetFocus (handle)) return false;
+	OS.SetFocus (handle);
+	if (isDisposed ()) return false;
+	shell.setSavedFocus (this);
+	return isFocusControl ();
+}
+
+void forceResize () {
+	if (parent == null) return;
+	WINDOWPOS [] lpwp = parent.lpwp;
+	if (lpwp == null) return;
+	for (int i=0; i<lpwp.length; i++) {
+		WINDOWPOS wp = lpwp [i];
+		if (wp != null && wp.hwnd == handle) {
+			/*
+			* This code is intentionally commented.  All widgets that
+			* are created by SWT have WS_CLIPSIBLINGS to ensure that
+			* application code does not draw outside of the control.
+			*/	
+//			int count = parent.getChildrenCount ();
+//			if (count > 1) {
+//				int bits = OS.GetWindowLong (handle, OS.GWL_STYLE);
+//				if ((bits & OS.WS_CLIPSIBLINGS) == 0) wp.flags |= OS.SWP_NOCOPYBITS;
+//			}
+			SetWindowPos (wp.hwnd, 0, wp.x, wp.y, wp.cx, wp.cy, wp.flags);
+			lpwp [i] = null;
+			return;
+		}	
+	}
+}
+
+/**
+ * Returns the accessible object for the receiver.
+ * If this is the first time this object is requested,
+ * then the object is created and returned.
+ *
+ * @return the accessible object
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ * 
+ * @see Accessible#addAccessibleListener
+ * @see Accessible#addAccessibleControlListener
+ * 
+ * @since 2.0
+ */
+public Accessible getAccessible () {
+	checkWidget ();
+	if (accessible == null) accessible = new_Accessible (this);
+	return accessible;
+}
+
+/**
+ * Returns the receiver's background color.
+ * <p>
+ * Note: This operation is a hint and may be overridden by the platform.
+ * For example, on some versions of Windows the background of a TabFolder,
+ * is a gradient rather than a solid color.
+ * </p>
+ * @return the background color
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public Color getBackground () {
+	checkWidget ();
+	Control control = findBackgroundControl ();
+	if (control == null) control = this;
+	return Color.win32_new (display, control.getBackgroundPixel ());
+}
+
+/**
+ * Returns the receiver's background image.
+ *
+ * @return the background image
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ * 
+ * @since 3.2
+ */
+public Image getBackgroundImage () {
+	checkWidget ();
+	Control control = findBackgroundControl ();
+	if (control == null) control = this;
+	return control.backgroundImage;
+}
+
+int getBackgroundPixel () {
+	return background != -1 ? background :  defaultBackground ();
+}
+
+/**
+ * Returns the receiver's border width.
+ *
+ * @return the border width
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public int getBorderWidth () {
+	checkWidget ();
+	int /*long*/ borderHandle = borderHandle ();
+	int bits1 = OS.GetWindowLong (borderHandle, OS.GWL_EXSTYLE);
+	if ((bits1 & OS.WS_EX_CLIENTEDGE) != 0) return OS.GetSystemMetrics (OS.SM_CXEDGE);
+	if ((bits1 & OS.WS_EX_STATICEDGE) != 0) return OS.GetSystemMetrics (OS.SM_CXBORDER);
+	int bits2 = OS.GetWindowLong (borderHandle, OS.GWL_STYLE);
+	if ((bits2 & OS.WS_BORDER) != 0) return OS.GetSystemMetrics (OS.SM_CXBORDER);
+	return 0;
+}
+
+/**
+ * Returns a rectangle describing the receiver's size and location
+ * relative to its parent (or its display if its parent is null),
+ * unless the receiver is a shell. In this case, the location is
+ * relative to the display.
+ *
+ * @return the receiver's bounding rectangle
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public Rectangle getBounds () {
+	checkWidget ();
+	forceResize ();
+	RECT rect = new RECT ();
+	OS.GetWindowRect (topHandle (), rect);
+	int /*long*/ hwndParent = parent == null ? 0 : parent.handle;
+	OS.MapWindowPoints (0, hwndParent, rect, 2);
+	int width = rect.right - rect.left;
+	int height =  rect.bottom - rect.top;
+	return new Rectangle (rect.left, rect.top, width, height);
+}
+
+int getCodePage () {
+	if (OS.IsUnicode) return OS.CP_ACP;
+	int /*long*/ hFont = OS.SendMessage (handle, OS.WM_GETFONT, 0, 0);
+	LOGFONT logFont = OS.IsUnicode ? (LOGFONT) new LOGFONTW () : new LOGFONTA ();
+	OS.GetObject (hFont, LOGFONT.sizeof, logFont);
+	int cs = logFont.lfCharSet & 0xFF;
+	int [] lpCs = new int [8];
+	if (OS.TranslateCharsetInfo (cs, lpCs, OS.TCI_SRCCHARSET)) {
+		return lpCs [1];
+	}
+	return OS.GetACP ();
+}
+
+String getClipboardText () {
+	String string = "";
+	if (OS.OpenClipboard (0)) {
+		int /*long*/ hMem = OS.GetClipboardData (OS.IsUnicode ? OS.CF_UNICODETEXT : OS.CF_TEXT);
+		if (hMem != 0) {
+			/* Ensure byteCount is a multiple of 2 bytes on UNICODE platforms */
+			int byteCount = OS.GlobalSize (hMem) / TCHAR.sizeof * TCHAR.sizeof;
+			int /*long*/ ptr = OS.GlobalLock (hMem);
+			if (ptr != 0) {
+				/* Use the character encoding for the default locale */
+				TCHAR buffer = new TCHAR (0, byteCount / TCHAR.sizeof);
+				OS.MoveMemory (buffer, ptr, byteCount);
+				string = buffer.toString (0, buffer.strlen ());
+				OS.GlobalUnlock (hMem);
+			}
+		}
+		OS.CloseClipboard ();
+	}
+	return string;
+}
+
+/**
+ * Returns the receiver's cursor, or null if it has not been set.
+ * <p>
+ * When the mouse pointer passes over a control its appearance
+ * is changed to match the control's cursor.
+ * </p>
+ *
+ * @return the receiver's cursor or <code>null</code>
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ * 
+ * @since 3.3
+ */
+public Cursor getCursor () {
+	checkWidget ();
+	return cursor;
+}
+
+/**
+ * Returns <code>true</code> if the receiver is detecting
+ * drag gestures, and  <code>false</code> otherwise. 
+ *
+ * @return the receiver's drag detect state
+ * 
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ * 
+ * @since 3.3
+ */
+public boolean getDragDetect () {
+	checkWidget ();
+	return (state & DRAG_DETECT) != 0;
+}
+
+boolean getDrawing () {
+	return drawCount <= 0;
+}
+
+/**
+ * Returns <code>true</code> if the receiver is enabled, and
+ * <code>false</code> otherwise. A disabled control is typically
+ * not selectable from the user interface and draws with an
+ * inactive or "grayed" look.
+ *
+ * @return the receiver's enabled state
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ * 
+ * @see #isEnabled
+ */
+public boolean getEnabled () {
+	checkWidget ();
+	return OS.IsWindowEnabled (handle);
+}
+
+/**
+ * Returns the font that the receiver will use to paint textual information.
+ *
+ * @return the receiver's font
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public Font getFont () {
+	checkWidget ();
+	if (font != null) return font;
+	int /*long*/ hFont = OS.SendMessage (handle, OS.WM_GETFONT, 0, 0);
+	if (hFont == 0) hFont = defaultFont ();
+	return Font.win32_new (display, hFont);
+}
+
+/**
+ * Returns the foreground color that the receiver will use to draw.
+ *
+ * @return the receiver's foreground color
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public Color getForeground () {
+	checkWidget ();
+	return Color.win32_new (display, getForegroundPixel ());
+}
+
+int getForegroundPixel () {
+	return foreground != -1 ? foreground : defaultForeground ();
+}
+
+/**
+ * Returns layout data which is associated with the receiver.
+ *
+ * @return the receiver's layout data
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public Object getLayoutData () {
+	checkWidget ();
+	return layoutData;
+}
+
+/**
+ * Returns a point describing the receiver's location relative
+ * to its parent (or its display if its parent is null), unless
+ * the receiver is a shell. In this case, the point is 
+ * relative to the display. 
+ *
+ * @return the receiver's location
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public Point getLocation () {
+	checkWidget ();
+	forceResize ();
+	RECT rect = new RECT ();
+	OS.GetWindowRect (topHandle (), rect);
+	int /*long*/ hwndParent = parent == null ? 0 : parent.handle;
+	OS.MapWindowPoints (0, hwndParent, rect, 2);
+	return new Point (rect.left, rect.top);
+}
+
+/**
+ * Returns the receiver's pop up menu if it has one, or null
+ * if it does not. All controls may optionally have a pop up
+ * menu that is displayed when the user requests one for
+ * the control. The sequence of key strokes, button presses
+ * and/or button releases that are used to request a pop up
+ * menu is platform specific.
+ *
+ * @return the receiver's menu
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public Menu getMenu () {
+	checkWidget ();
+	return menu;
+}
+
+/**
+ * Returns the receiver's monitor.
+ * 
+ * @return the receiver's monitor
+ * 
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ * 
+ * @since 3.0
+ */
+public Monitor getMonitor () {
+	checkWidget ();
+	if (OS.IsWinCE || OS.WIN32_VERSION < OS.VERSION (4, 10)) {
+		return display.getPrimaryMonitor ();
+	}
+	int /*long*/ hmonitor = OS.MonitorFromWindow (handle, OS.MONITOR_DEFAULTTONEAREST);
+	MONITORINFO lpmi = new MONITORINFO ();
+	lpmi.cbSize = MONITORINFO.sizeof;
+	OS.GetMonitorInfo (hmonitor, lpmi);
+	Monitor monitor = new Monitor ();
+	monitor.handle = hmonitor;
+	monitor.x = lpmi.rcMonitor_left;
+	monitor.y = lpmi.rcMonitor_top;
+	monitor.width = lpmi.rcMonitor_right - lpmi.rcMonitor_left;
+	monitor.height = lpmi.rcMonitor_bottom - lpmi.rcMonitor_top;
+	monitor.clientX = lpmi.rcWork_left;
+	monitor.clientY = lpmi.rcWork_top;
+	monitor.clientWidth = lpmi.rcWork_right - lpmi.rcWork_left;
+	monitor.clientHeight = lpmi.rcWork_bottom - lpmi.rcWork_top;
+	return monitor;
+}
+
+/**
+ * Returns the receiver's parent, which must be a <code>Composite</code>
+ * or null when the receiver is a shell that was created with null or
+ * a display for a parent.
+ *
+ * @return the receiver's parent
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public Composite getParent () {
+	checkWidget ();
+	return parent;
+}
+
+Control [] getPath () {
+	int count = 0;
+	Shell shell = getShell ();
+	Control control = this;
+	while (control != shell) {
+		count++;
+		control = control.parent;
+	}
+	control = this;
+	Control [] result = new Control [count];
+	while (control != shell) {
+		result [--count] = control;
+		control = control.parent;
+	}
+	return result;
+}
+
+/** 
+ * Returns the region that defines the shape of the control,
+ * or null if the control has the default shape.
+ *
+ * @return the region that defines the shape of the shell (or null)
+ *	
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ *
+ * @since 3.4
+ */
+public Region getRegion () {
+	checkWidget ();
+	return region;
+}
+
+/**
+ * Returns the receiver's shell. For all controls other than
+ * shells, this simply returns the control's nearest ancestor
+ * shell. Shells return themselves, even if they are children
+ * of other shells.
+ *
+ * @return the receiver's shell
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ *
+ * @see #getParent
+ */
+public Shell getShell () {
+	checkWidget ();
+	return parent.getShell ();
+}
+
+/**
+ * Returns a point describing the receiver's size. The
+ * x coordinate of the result is the width of the receiver.
+ * The y coordinate of the result is the height of the
+ * receiver.
+ *
+ * @return the receiver's size
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public Point getSize () {
+	checkWidget ();
+	forceResize ();
+	RECT rect = new RECT ();
+	OS.GetWindowRect (topHandle (), rect);
+	int width = rect.right - rect.left;
+	int height = rect.bottom - rect.top;
+	return new Point (width, height);
+}
+
+/**
+ * Returns the receiver's tool tip text, or null if it has
+ * not been set.
+ *
+ * @return the receiver's tool tip text
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public String getToolTipText () {
+	checkWidget ();
+	return toolTipText;
+}
+
+/**
+ * Returns <code>true</code> if the receiver is visible, and
+ * <code>false</code> otherwise.
+ * <p>
+ * If one of the receiver's ancestors is not visible or some
+ * other condition makes the receiver not visible, this method
+ * may still indicate that it is considered visible even though
+ * it may not actually be showing.
+ * </p>
+ *
+ * @return the receiver's visibility state
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public boolean getVisible () {
+	checkWidget ();
+	if (!getDrawing()) return (state & HIDDEN) == 0;
+	int bits = OS.GetWindowLong (handle, OS.GWL_STYLE);
+	return (bits & OS.WS_VISIBLE) != 0;
+}
+
+boolean hasCursor () {
+	RECT rect = new RECT ();
+	if (!OS.GetClientRect (handle, rect)) return false;
+	OS.MapWindowPoints (handle, 0, rect, 2);
+	POINT pt = new POINT ();
+	return OS.GetCursorPos (pt) && OS.PtInRect (rect, pt);
+}
+
+boolean hasFocus () {
+	/*
+	* If a non-SWT child of the control has focus,
+	* then this control is considered to have focus
+	* even though it does not have focus in Windows.
+	*/
+	int /*long*/ hwndFocus = OS.GetFocus ();
+	while (hwndFocus != 0) {
+		if (hwndFocus == handle) return true;
+		if (display.getControl (hwndFocus) != null) {
+			return false;
+		}
+		hwndFocus = OS.GetParent (hwndFocus);
+	}
+	return false;
+}
+
+/**	 
+ * Invokes platform specific functionality to allocate a new GC handle.
+ * <p>
+ * <b>IMPORTANT:</b> This method is <em>not</em> part of the public
+ * API for <code>Control</code>. It is marked public only so that it
+ * can be shared within the packages provided by SWT. It is not
+ * available on all platforms, and should never be called from
+ * application code.
+ * </p>
+ *
+ * @param data the platform specific GC data 
+ * @return the platform specific GC handle
+ */
+public int /*long*/ internal_new_GC (GCData data) {
+	checkWidget();
+	int /*long*/ hwnd = handle;
+	if (data != null && data.hwnd != 0) hwnd = data.hwnd;
+	if (data != null) data.hwnd = hwnd;
+	int /*long*/ hDC = 0;
+	if (data == null || data.ps == null) {
+		hDC = OS.GetDC (hwnd);
+	} else {
+		hDC = OS.BeginPaint (hwnd, data.ps);
+	}
+	if (hDC == 0) SWT.error(SWT.ERROR_NO_HANDLES);
+	if (data != null) {
+		if (!OS.IsWinCE && OS.WIN32_VERSION >= OS.VERSION (4, 10)) {
+			int mask = SWT.LEFT_TO_RIGHT | SWT.RIGHT_TO_LEFT;
+			if ((data.style & mask) != 0) {
+				data.layout = (data.style & SWT.RIGHT_TO_LEFT) != 0 ? OS.LAYOUT_RTL : 0;
+			} else {
+				int flags = OS.GetLayout (hDC);
+				if ((flags & OS.LAYOUT_RTL) != 0) {
+					data.style |= SWT.RIGHT_TO_LEFT | SWT.MIRRORED;
+				} else {
+					data.style |= SWT.LEFT_TO_RIGHT;
+				}
+			}
+		} else {
+			data.style |= SWT.LEFT_TO_RIGHT;
+		}
+		data.device = display;
+		int foreground = getForegroundPixel ();
+		if (foreground != OS.GetTextColor (hDC)) data.foreground = foreground;
+		Control control = findBackgroundControl ();
+		if (control == null) control = this;
+		int background = control.getBackgroundPixel ();
+		if (background != OS.GetBkColor (hDC)) data.background = background;
+		data.font = font != null ? font : Font.win32_new (display, OS.SendMessage (hwnd, OS.WM_GETFONT, 0, 0));
+		data.uiState = (int)/*64*/OS.SendMessage (hwnd, OS.WM_QUERYUISTATE, 0, 0);
+	}
+	return hDC;
+}
+
+/**	 
+ * Invokes platform specific functionality to dispose a GC handle.
+ * <p>
+ * <b>IMPORTANT:</b> This method is <em>not</em> part of the public
+ * API for <code>Control</code>. It is marked public only so that it
+ * can be shared within the packages provided by SWT. It is not
+ * available on all platforms, and should never be called from
+ * application code.
+ * </p>
+ *
+ * @param hDC the platform specific GC handle
+ * @param data the platform specific GC data 
+ */
+public void internal_dispose_GC (int /*long*/ hDC, GCData data) {
+	checkWidget ();
+	int /*long*/ hwnd = handle;
+	if (data != null && data.hwnd != 0) {
+		hwnd = data.hwnd;
+	}
+	if (data == null || data.ps == null) {
+		OS.ReleaseDC (hwnd, hDC);
+	} else {
+		OS.EndPaint (hwnd, data.ps);
+	}
+}
+
+boolean isActive () {
+	Dialog dialog = display.getModalDialog ();
+	if (dialog != null) {
+		Shell dialogShell = dialog.parent;
+		if (dialogShell != null && !dialogShell.isDisposed ()) {
+			if (dialogShell != getShell ()) return false;
+		}
+	}
+	Shell shell = null;
+	Shell [] modalShells = display.modalShells;
+	if (modalShells != null) {
+		int bits = SWT.APPLICATION_MODAL | SWT.SYSTEM_MODAL;
+		int index = modalShells.length;
+		while (--index >= 0) {
+			Shell modal = modalShells [index];
+			if (modal != null) {
+				if ((modal.style & bits) != 0) {
+					Control control = this;
+					while (control != null) {
+						if (control == modal) break;
+						control = control.parent;
+					}
+					if (control != modal) return false;
+					break;
+				}
+				if ((modal.style & SWT.PRIMARY_MODAL) != 0) {
+					if (shell == null) shell = getShell ();
+					if (modal.parent == shell) return false;
+				}
+			}
+		}
+	}
+	if (shell == null) shell = getShell ();
+	return shell.getEnabled ();
+}
+
+/**
+ * Returns <code>true</code> if the receiver is enabled and all
+ * ancestors up to and including the receiver's nearest ancestor
+ * shell are enabled.  Otherwise, <code>false</code> is returned.
+ * A disabled control is typically not selectable from the user
+ * interface and draws with an inactive or "grayed" look.
+ *
+ * @return the receiver's enabled state
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ * 
+ * @see #getEnabled
+ */
+public boolean isEnabled () {
+	checkWidget ();
+	return getEnabled () && parent.isEnabled ();
+}
+
+/**
+ * Returns <code>true</code> if the receiver has the user-interface
+ * focus, and <code>false</code> otherwise.
+ *
+ * @return the receiver's focus state
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public boolean isFocusControl () {
+	checkWidget ();
+	Control focusControl = display.focusControl;
+	if (focusControl != null && !focusControl.isDisposed ()) {
+		return this == focusControl;
+	}
+	return hasFocus ();
+}
+
+boolean isFocusAncestor (Control control) {
+	while (control != null && control != this && !(control instanceof Shell)) {
+		control = control.parent;
+	}
+	return control == this;
+}
+
+/**
+ * Returns <code>true</code> if the underlying operating
+ * system supports this reparenting, otherwise <code>false</code>
+ *
+ * @return <code>true</code> if the widget can be reparented, otherwise <code>false</code>
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public boolean isReparentable () {
+	checkWidget ();
+	return true;
+}
+
+boolean isShowing () {
+	/*
+	* This is not complete.  Need to check if the
+	* widget is obscured by a parent or sibling.
+	*/
+	if (!isVisible ()) return false;
+	Control control = this;
+	while (control != null) {
+		Point size = control.getSize ();
+		if (size.x == 0 || size.y == 0) {
+			return false;
+		}
+		control = control.parent;
+	}
+	return true;
+	/*
+	* Check to see if current damage is included.
+	*/
+//	if (!OS.IsWindowVisible (handle)) return false;
+//	int flags = OS.DCX_CACHE | OS.DCX_CLIPCHILDREN | OS.DCX_CLIPSIBLINGS;
+//	int /*long*/ hDC = OS.GetDCEx (handle, 0, flags);
+//	int result = OS.GetClipBox (hDC, new RECT ());
+//	OS.ReleaseDC (handle, hDC);
+//	return result != OS.NULLREGION;
+}
+
+boolean isTabGroup () {
+	Control [] tabList = parent._getTabList ();
+	if (tabList != null) {
+		for (int i=0; i<tabList.length; i++) {
+			if (tabList [i] == this) return true;
+		}
+	}
+	int bits = OS.GetWindowLong (handle, OS.GWL_STYLE);
+	return (bits & OS.WS_TABSTOP) != 0;
+}
+
+boolean isTabItem () {
+	Control [] tabList = parent._getTabList ();
+	if (tabList != null) {
+		for (int i=0; i<tabList.length; i++) {
+			if (tabList [i] == this) return false;
+		}
+	}
+	int bits = OS.GetWindowLong (handle, OS.GWL_STYLE);
+	if ((bits & OS.WS_TABSTOP) != 0) return false;
+	int /*long*/ code = OS.SendMessage (handle, OS.WM_GETDLGCODE, 0, 0);
+	if ((code & OS.DLGC_STATIC) != 0) return false;
+	if ((code & OS.DLGC_WANTALLKEYS) != 0) return false;
+	if ((code & OS.DLGC_WANTARROWS) != 0) return false;
+	if ((code & OS.DLGC_WANTTAB) != 0) return false;
+	return true;
+}
+
+/**
+ * Returns <code>true</code> if the receiver is visible and all
+ * ancestors up to and including the receiver's nearest ancestor
+ * shell are visible. Otherwise, <code>false</code> is returned.
+ *
+ * @return the receiver's visibility state
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ *
+ * @see #getVisible
+ */
+public boolean isVisible () {
+	checkWidget ();
+	if (OS.IsWindowVisible (handle)) return true;
+	return getVisible () && parent.isVisible ();
+}
+
+void mapEvent (int /*long*/ hwnd, Event event) {
+	if (hwnd != handle) {
+		POINT point = new POINT ();
+		point.x = event.x;
+		point.y = event.y;
+		OS.MapWindowPoints (hwnd, handle, point, 1);
+		event.x = point.x;
+		event.y = point.y;
+	}
+}
+
+void markLayout (boolean changed, boolean all) {
+	/* Do nothing */
+}
+
+Decorations menuShell () {
+	return parent.menuShell ();
+}
+
+boolean mnemonicHit (char key) {
+	return false;
+}
+
+boolean mnemonicMatch (char key) {
+	return false;
+}
+
+/**
+ * Moves the receiver above the specified control in the
+ * drawing order. If the argument is null, then the receiver
+ * is moved to the top of the drawing order. The control at
+ * the top of the drawing order will not be covered by other
+ * controls even if they occupy intersecting areas.
+ *
+ * @param control the sibling control (or null)
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_INVALID_ARGUMENT - if the control has been disposed</li> 
+ * </ul>
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ * 
+ * @see Control#moveBelow
+ * @see Composite#getChildren
+ */
+public void moveAbove (Control control) {
+	checkWidget ();
+	int /*long*/ topHandle = topHandle (), hwndAbove = OS.HWND_TOP;
+	if (control != null) {
+		if (control.isDisposed ()) error(SWT.ERROR_INVALID_ARGUMENT);
+		if (parent != control.parent) return;
+		int /*long*/ hwnd = control.topHandle ();
+		if (hwnd == 0 || hwnd == topHandle) return;
+		hwndAbove = OS.GetWindow (hwnd, OS.GW_HWNDPREV);
+		/*
+		* Bug in Windows.  For some reason, when GetWindow ()
+		* with GW_HWNDPREV is used to query the previous window
+		* in the z-order with the first child, Windows returns
+		* the first child instead of NULL.  The fix is to detect
+		* this case and move the control to the top.
+		*/
+		if (hwndAbove == 0 || hwndAbove == hwnd) {
+			hwndAbove = OS.HWND_TOP;
+		}
+	}
+	int flags = OS.SWP_NOSIZE | OS.SWP_NOMOVE | OS.SWP_NOACTIVATE; 
+	SetWindowPos (topHandle, hwndAbove, 0, 0, 0, 0, flags);
+}
+
+/**
+ * Moves the receiver below the specified control in the
+ * drawing order. If the argument is null, then the receiver
+ * is moved to the bottom of the drawing order. The control at
+ * the bottom of the drawing order will be covered by all other
+ * controls which occupy intersecting areas.
+ *
+ * @param control the sibling control (or null)
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_INVALID_ARGUMENT - if the control has been disposed</li> 
+ * </ul>
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ * 
+ * @see Control#moveAbove
+ * @see Composite#getChildren
+ */
+public void moveBelow (Control control) {
+	checkWidget ();
+	int /*long*/ topHandle = topHandle (), hwndAbove = OS.HWND_BOTTOM;
+	if (control != null) {
+		if (control.isDisposed ()) error(SWT.ERROR_INVALID_ARGUMENT);
+		if (parent != control.parent) return;
+		hwndAbove = control.topHandle ();
+	} else {
+		/*
+		* Bug in Windows.  When SetWindowPos() is called
+		* with HWND_BOTTOM on a dialog shell, the dialog
+		* and the parent are moved to the bottom of the
+		* desktop stack.  The fix is to move the dialog
+		* to the bottom of the dialog window stack by
+		* moving behind the first dialog child.
+		*/
+		Shell shell = getShell ();
+		if (this == shell && parent != null) {
+			/* 
+			* Bug in Windows.  For some reason, when GetWindow ()
+			* with GW_HWNDPREV is used to query the previous window
+			* in the z-order with the first child, Windows returns
+			* the first child instead of NULL.  The fix is to detect
+			* this case and do nothing because the control is already
+			* at the bottom.
+			*/
+			int /*long*/ hwndParent = parent.handle, hwnd = hwndParent;
+			hwndAbove = OS.GetWindow (hwnd, OS.GW_HWNDPREV);
+			while (hwndAbove != 0 && hwndAbove != hwnd) {
+				if (OS.GetWindow (hwndAbove, OS.GW_OWNER) == hwndParent) break;
+				hwndAbove = OS.GetWindow (hwnd = hwndAbove, OS.GW_HWNDPREV);
+			}
+			if (hwndAbove == hwnd) return;
+		}
+	}
+	if (hwndAbove == 0 || hwndAbove == topHandle) return;
+	int flags = OS.SWP_NOSIZE | OS.SWP_NOMOVE | OS.SWP_NOACTIVATE; 
+	SetWindowPos (topHandle, hwndAbove, 0, 0, 0, 0, flags);
+}
+
+Accessible new_Accessible (Control control) {
+	return Accessible.internal_new_Accessible (this);
+}
+
+GC new_GC (GCData data) {
+	return GC.win32_new (this, data);
+}
+
+/**
+ * Causes the receiver to be resized to its preferred size.
+ * For a composite, this involves computing the preferred size
+ * from its layout, if there is one.
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ *
+ * @see #computeSize(int, int, boolean)
+ */
+public void pack () {
+	checkWidget ();
+	pack (true);
+}
+
+/**
+ * Causes the receiver to be resized to its preferred size.
+ * For a composite, this involves computing the preferred size
+ * from its layout, if there is one.
+ * <p>
+ * If the changed flag is <code>true</code>, it indicates that the receiver's
+ * <em>contents</em> have changed, therefore any caches that a layout manager
+ * containing the control may have been keeping need to be flushed. When the
+ * control is resized, the changed flag will be <code>false</code>, so layout
+ * manager caches can be retained. 
+ * </p>
+ *
+ * @param changed whether or not the receiver's contents have changed
+ * 
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ *
+ * @see #computeSize(int, int, boolean)
+ */
+public void pack (boolean changed) {
+	checkWidget ();
+	setSize (computeSize (SWT.DEFAULT, SWT.DEFAULT, changed));
+}
+
+/**
+ * Prints the receiver and all children.
+ * 
+ * @param gc the gc where the drawing occurs
+ * @return <code>true</code> if the operation was successful and <code>false</code> otherwise
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the gc is null</li>
+ *    <li>ERROR_INVALID_ARGUMENT - if the gc has been disposed</li>
+ * </ul>
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ * 
+ * @since 3.4
+ */
+public boolean print (GC gc) {
+	checkWidget ();
+	if (gc == null) error (SWT.ERROR_NULL_ARGUMENT);
+	if (gc.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT);
+	if (!OS.IsWinCE && OS.WIN32_VERSION >= OS.VERSION (5, 1)) {
+		int /*long*/ topHandle = topHandle ();
+		int /*long*/ hdc = gc.handle;
+		int state = 0;
+		int /*long*/ gdipGraphics = gc.getGCData().gdipGraphics;
+		if (gdipGraphics != 0) {
+			int /*long*/ clipRgn = 0;
+			Gdip.Graphics_SetPixelOffsetMode(gdipGraphics, Gdip.PixelOffsetModeNone);
+			int /*long*/ rgn = Gdip.Region_new();
+			if (rgn == 0) SWT.error(SWT.ERROR_NO_HANDLES);
+			Gdip.Graphics_GetClip(gdipGraphics, rgn);
+			if (!Gdip.Region_IsInfinite(rgn, gdipGraphics)) {
+				clipRgn = Gdip.Region_GetHRGN(rgn, gdipGraphics);
+			}
+			Gdip.Region_delete(rgn);
+			Gdip.Graphics_SetPixelOffsetMode(gdipGraphics, Gdip.PixelOffsetModeHalf);
+			float[] lpXform = null;
+			int /*long*/ matrix = Gdip.Matrix_new(1, 0, 0, 1, 0, 0);
+			if (matrix == 0) SWT.error(SWT.ERROR_NO_HANDLES);
+			Gdip.Graphics_GetTransform(gdipGraphics, matrix);
+			if (!Gdip.Matrix_IsIdentity(matrix)) {
+				lpXform = new float[6];
+				Gdip.Matrix_GetElements(matrix, lpXform);
+			}
+			Gdip.Matrix_delete(matrix);
+			hdc = Gdip.Graphics_GetHDC(gdipGraphics);
+			state = OS.SaveDC(hdc);
+			if (lpXform != null) {
+				OS.SetGraphicsMode(hdc, OS.GM_ADVANCED);
+				OS.SetWorldTransform(hdc, lpXform);
+			}
+			if (clipRgn != 0) {
+				OS.SelectClipRgn(hdc, clipRgn);
+				OS.DeleteObject(clipRgn);
+			}
+		}
+		if (OS.IsWinCE) {
+			OS.UpdateWindow (topHandle);
+		} else {
+			int flags = OS.RDW_UPDATENOW | OS.RDW_ALLCHILDREN;
+			OS.RedrawWindow (topHandle, null, 0, flags);
+		}
+		printWidget (topHandle, hdc, gc);
+		if (gdipGraphics != 0) {
+			OS.RestoreDC(hdc, state);
+			Gdip.Graphics_ReleaseHDC(gdipGraphics, hdc);
+		}
+		return true;
+	}
+	return false;
+}
+
+void printWidget (int /*long*/ hwnd, int /*long*/ hdc, GC gc) {
+	/*
+	* Bug in Windows.  For some reason, PrintWindow()
+	* returns success but does nothing when it is called
+	* on a printer.  The fix is to just go directly to
+	* WM_PRINT in this case.
+	*/
+	boolean success = false;
+	if (!(OS.GetDeviceCaps(gc.handle, OS.TECHNOLOGY) == OS.DT_RASPRINTER)) {
+		/*
+		* Bug in Windows.  When PrintWindow() will only draw that
+		* portion of a control that is not obscured by the shell.
+		* The fix is temporarily reparent the window to the desktop,
+		* call PrintWindow() then reparent the window back.
+		*/
+		int /*long*/ hwndParent = OS.GetParent (hwnd);
+		int /*long*/ hwndShell = hwndParent;
+		while (OS.GetParent (hwndShell) != 0) {
+			if (OS.GetWindow (hwndShell, OS.GW_OWNER) != 0) break;
+			hwndShell = OS.GetParent (hwndShell);
+		}
+		RECT rect1 = new RECT ();
+		OS.GetWindowRect (hwnd, rect1);
+		boolean fixPrintWindow = !OS.IsWindowVisible(hwnd);
+		if (!fixPrintWindow) {
+			RECT rect2 = new RECT ();
+			OS.GetWindowRect (hwndShell, rect2);
+			OS.IntersectRect (rect2, rect1, rect2);
+			fixPrintWindow = !OS.EqualRect (rect2, rect1);
+		}
+		/*
+		* Bug in Windows. PrintWindow() does not print portions
+		* of the receiver that are clipped out using SetWindowRgn()
+		* in a parent.  The fix is temporarily reparent the window
+		* to the desktop, call PrintWindow() then reparent the window
+		* back.
+		*/
+		if (!fixPrintWindow) {
+			int /*long*/ rgn = OS.CreateRectRgn(0, 0, 0, 0);
+			int /*long*/ parent = OS.GetParent(hwnd);
+			while (parent != hwndShell && !fixPrintWindow) {
+				if (OS.GetWindowRgn(parent, rgn) != 0) {
+					fixPrintWindow = true;
+				}
+				parent = OS.GetParent(parent);
+			}
+			OS.DeleteObject(rgn);
+		}
+		int bits = OS.GetWindowLong (hwnd, OS.GWL_STYLE);
+		int /*long*/ hwndInsertAfter = OS.GetWindow (hwnd, OS.GW_HWNDPREV);
+		/*
+		* Bug in Windows.  For some reason, when GetWindow ()
+		* with GW_HWNDPREV is used to query the previous window
+		* in the z-order with the first child, Windows returns
+		* the first child instead of NULL.  The fix is to detect
+		* this case and move the control to the top.
+		*/
+		if (hwndInsertAfter == 0 || hwndInsertAfter == hwnd) {
+			hwndInsertAfter = OS.HWND_TOP;
+		}
+		if (fixPrintWindow) {
+			int x = OS.GetSystemMetrics (OS.SM_XVIRTUALSCREEN);
+			int y = OS.GetSystemMetrics (OS.SM_YVIRTUALSCREEN);	
+			int width = OS.GetSystemMetrics (OS.SM_CXVIRTUALSCREEN);
+			int height = OS.GetSystemMetrics (OS.SM_CYVIRTUALSCREEN);
+			int flags = OS.SWP_NOSIZE | OS.SWP_NOZORDER | OS.SWP_NOACTIVATE | OS.SWP_DRAWFRAME;
+			if ((bits & OS.WS_VISIBLE) != 0) {
+				OS.DefWindowProc (hwnd, OS.WM_SETREDRAW, 0, 0);
+			}
+			SetWindowPos (hwnd, 0, x + width, y + height, 0, 0, flags);
+			OS.SetParent (hwnd, 0);
+			if ((bits & OS.WS_VISIBLE) != 0) {
+				OS.DefWindowProc (hwnd, OS.WM_SETREDRAW, 1, 0);
+			}
+		}
+		if ((bits & OS.WS_VISIBLE) == 0) {
+			OS.DefWindowProc (hwnd, OS.WM_SETREDRAW, 1, 0);
+		}
+		success = OS.PrintWindow (hwnd, hdc, 0);
+		if ((bits & OS.WS_VISIBLE) == 0) {
+			OS.DefWindowProc (hwnd, OS.WM_SETREDRAW, 0, 0);
+		}
+		if (fixPrintWindow) {
+			if ((bits & OS.WS_VISIBLE) != 0) {
+				OS.DefWindowProc (hwnd, OS.WM_SETREDRAW, 0, 0);
+			}
+			OS.SetParent (hwnd, hwndParent);
+			OS.MapWindowPoints (0, hwndParent, rect1, 2);
+			int flags = OS.SWP_NOSIZE | OS.SWP_NOACTIVATE | OS.SWP_DRAWFRAME;
+			SetWindowPos (hwnd, hwndInsertAfter, rect1.left, rect1.top, rect1.right - rect1.left, rect1.bottom - rect1.top, flags);
+			if ((bits & OS.WS_VISIBLE) != 0) {
+				OS.DefWindowProc (hwnd, OS.WM_SETREDRAW, 1, 0);
+			}
+		}
+	}
+	
+	/*
+	* Bug in Windows.  For some reason, PrintWindow() fails
+	* when it is called on a push button.  The fix is to
+	* detect the failure and use WM_PRINT instead.  Note
+	* that WM_PRINT cannot be used all the time because it
+	* fails for browser controls when the browser has focus.
+	*/
+	if (!success) {
+		int flags = OS.PRF_CLIENT | OS.PRF_NONCLIENT | OS.PRF_ERASEBKGND | OS.PRF_CHILDREN;
+		OS.SendMessage (hwnd, OS.WM_PRINT, hdc, flags);
+	}
+}
+
+/**
+ * Causes the entire bounds of the receiver to be marked
+ * as needing to be redrawn. The next time a paint request
+ * is processed, the control will be completely painted,
+ * including the background.
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ *
+ * @see #update()
+ * @see PaintListener
+ * @see SWT#Paint
+ * @see SWT#NO_BACKGROUND
+ * @see SWT#NO_REDRAW_RESIZE
+ * @see SWT#NO_MERGE_PAINTS
+ * @see SWT#DOUBLE_BUFFERED
+ */
+public void redraw () {
+	checkWidget ();
+	redraw (false);
+}
+
+void redraw (boolean all) {
+//	checkWidget ();
+	if (!OS.IsWindowVisible (handle)) return;
+	if (OS.IsWinCE) {
+		OS.InvalidateRect (handle, null, true);
+	} else {
+		int flags = OS.RDW_ERASE | OS.RDW_FRAME | OS.RDW_INVALIDATE;
+		if (all) flags |= OS.RDW_ALLCHILDREN;
+		OS.RedrawWindow (handle, null, 0, flags);
+	}
+}
+/**
+ * Causes the rectangular area of the receiver specified by
+ * the arguments to be marked as needing to be redrawn. 
+ * The next time a paint request is processed, that area of
+ * the receiver will be painted, including the background.
+ * If the <code>all</code> flag is <code>true</code>, any
+ * children of the receiver which intersect with the specified
+ * area will also paint their intersecting areas. If the
+ * <code>all</code> flag is <code>false</code>, the children
+ * will not be painted.
+ *
+ * @param x the x coordinate of the area to draw
+ * @param y the y coordinate of the area to draw
+ * @param width the width of the area to draw
+ * @param height the height of the area to draw
+ * @param all <code>true</code> if children should redraw, and <code>false</code> otherwise
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ *
+ * @see #update()
+ * @see PaintListener
+ * @see SWT#Paint
+ * @see SWT#NO_BACKGROUND
+ * @see SWT#NO_REDRAW_RESIZE
+ * @see SWT#NO_MERGE_PAINTS
+ * @see SWT#DOUBLE_BUFFERED
+ */
+public void redraw (int x, int y, int width, int height, boolean all) {
+	checkWidget ();
+	if (width <= 0 || height <= 0) return;
+	if (!OS.IsWindowVisible (handle)) return;
+	RECT rect = new RECT ();
+	OS.SetRect (rect, x, y, x + width, y + height);
+	if (OS.IsWinCE) {
+		OS.InvalidateRect (handle, rect, true);
+	} else {
+		int flags = OS.RDW_ERASE | OS.RDW_FRAME | OS.RDW_INVALIDATE;
+		if (all) flags |= OS.RDW_ALLCHILDREN;
+		OS.RedrawWindow (handle, rect, 0, flags);
+	}
+}
+
+boolean redrawChildren () {
+	if (!OS.IsWindowVisible (handle)) return false;
+	Control control = findBackgroundControl ();
+	if (control == null) {
+		if ((state & THEME_BACKGROUND) != 0) {
+			if (OS.COMCTL32_MAJOR >= 6 && OS.IsAppThemed ()) {
+				OS.InvalidateRect (handle, null, true);
+				return true;
+			}
+		}
+	} else {
+		if (control.backgroundImage != null) {
+			OS.InvalidateRect (handle, null, true);
+			return true;
+		}
+	}
+	return false;
+}
+
+void register () {
+	display.addControl (handle, this);
+}
+
+void releaseHandle () {
+	super.releaseHandle ();
+	handle = 0;
+	parent = null;
+}
+
+void releaseParent () {
+	parent.removeControl (this);
+}
+
+void releaseWidget () {
+	super.releaseWidget ();
+	if (OS.IsDBLocale) {
+		OS.ImmAssociateContext (handle, 0);
+	}
+	if (toolTipText != null) {
+		setToolTipText (getShell (), null);
+	}
+	toolTipText = null;
+	if (menu != null && !menu.isDisposed ()) {
+		menu.dispose ();
+	}
+	backgroundImage = null;
+	menu = null;
+	cursor = null;
+	unsubclass ();
+	deregister ();
+	layoutData = null;
+	if (accessible != null) {
+		accessible.internal_dispose_Accessible ();
+	}
+	accessible = null;
+	region = null;
+	font = null;
+}
+
+/**
+ * Removes the listener from the collection of listeners who will
+ * be notified when the control is moved or resized.
+ *
+ * @param listener the listener which should no longer be notified
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
+ * </ul>
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ *
+ * @see ControlListener
+ * @see #addControlListener
+ */
+public void removeControlListener (ControlListener listener) {
+	checkWidget ();
+	if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
+	if (eventTable == null) return;
+	eventTable.unhook (SWT.Move, listener);
+	eventTable.unhook (SWT.Resize, listener);
+}
+
+/**
+ * Removes the listener from the collection of listeners who will
+ * be notified when a drag gesture occurs.
+ *
+ * @param listener the listener which should no longer be notified
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
+ * </ul>
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ *
+ * @see DragDetectListener
+ * @see #addDragDetectListener
+ * 
+ * @since 3.3
+ */
+public void removeDragDetectListener(DragDetectListener listener) {
+	checkWidget ();
+	if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
+	if (eventTable == null) return;
+	eventTable.unhook (SWT.DragDetect, listener);
+}
+
+/**
+ * Removes the listener from the collection of listeners who will
+ * be notified when the control gains or loses focus.
+ *
+ * @param listener the listener which should no longer be notified
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
+ * </ul>
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ *
+ * @see FocusListener
+ * @see #addFocusListener
+ */
+public void removeFocusListener(FocusListener listener) {
+	checkWidget ();
+	if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
+	if (eventTable == null) return;
+	eventTable.unhook (SWT.FocusIn, listener);
+	eventTable.unhook (SWT.FocusOut, listener);
+}
+
+/**
+ * Removes the listener from the collection of listeners who will
+ * be notified when the help events are generated for the control.
+ *
+ * @param listener the listener which should no longer be notified
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
+ * </ul>
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ *
+ * @see HelpListener
+ * @see #addHelpListener
+ */
+public void removeHelpListener (HelpListener listener) {
+	checkWidget ();
+	if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
+	if (eventTable == null) return;
+	eventTable.unhook (SWT.Help, listener);
+}
+
+/**
+ * Removes the listener from the collection of listeners who will
+ * be notified when keys are pressed and released on the system keyboard.
+ *
+ * @param listener the listener which should no longer be notified
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
+ * </ul>
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ *
+ * @see KeyListener
+ * @see #addKeyListener
+ */
+public void removeKeyListener(KeyListener listener) {
+	checkWidget ();
+	if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
+	if (eventTable == null) return;
+	eventTable.unhook (SWT.KeyUp, listener);
+	eventTable.unhook (SWT.KeyDown, listener);
+}
+
+/**
+ * Removes the listener from the collection of listeners who will
+ * be notified when the platform-specific context menu trigger has
+ * occurred.
+ *
+ * @param listener the listener which should no longer be notified
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
+ * </ul>
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ *
+ * @see MenuDetectListener
+ * @see #addMenuDetectListener
+ *
+ * @since 3.3
+ */
+public void removeMenuDetectListener (MenuDetectListener listener) {
+	checkWidget ();
+	if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
+	if (eventTable == null) return;
+	eventTable.unhook (SWT.MenuDetect, listener);
+}
+
+/**
+ * Removes the listener from the collection of listeners who will
+ * be notified when the mouse passes or hovers over controls.
+ *
+ * @param listener the listener which should no longer be notified
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
+ * </ul>
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ *
+ * @see MouseTrackListener
+ * @see #addMouseTrackListener
+ */
+public void removeMouseTrackListener(MouseTrackListener listener) {
+	checkWidget ();
+	if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
+	if (eventTable == null) return;
+	eventTable.unhook (SWT.MouseEnter, listener);
+	eventTable.unhook (SWT.MouseExit, listener);
+	eventTable.unhook (SWT.MouseHover, listener);
+}
+
+/**
+ * Removes the listener from the collection of listeners who will
+ * be notified when mouse buttons are pressed and released.
+ *
+ * @param listener the listener which should no longer be notified
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
+ * </ul>
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ *
+ * @see MouseListener
+ * @see #addMouseListener
+ */
+public void removeMouseListener (MouseListener listener) {
+	checkWidget ();
+	if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
+	if (eventTable == null) return;
+	eventTable.unhook (SWT.MouseDown, listener);
+	eventTable.unhook (SWT.MouseUp, listener);
+	eventTable.unhook (SWT.MouseDoubleClick, listener);
+}
+
+/**
+ * Removes the listener from the collection of listeners who will
+ * be notified when the mouse moves.
+ *
+ * @param listener the listener which should no longer be notified
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
+ * </ul>
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ *
+ * @see MouseMoveListener
+ * @see #addMouseMoveListener
+ */
+public void removeMouseMoveListener(MouseMoveListener listener) {
+	checkWidget ();
+	if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
+	if (eventTable == null) return;
+	eventTable.unhook (SWT.MouseMove, listener);
+}
+
+/**
+ * Removes the listener from the collection of listeners who will
+ * be notified when the mouse wheel is scrolled.
+ *
+ * @param listener the listener which should no longer be notified
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
+ * </ul>
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ *
+ * @see MouseWheelListener
+ * @see #addMouseWheelListener
+ *
+ * @since 3.3
+ */
+public void removeMouseWheelListener (MouseWheelListener listener) {
+	checkWidget ();
+	if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
+	if (eventTable == null) return;
+	eventTable.unhook (SWT.MouseWheel, listener);
+}
+
+/**
+ * Removes the listener from the collection of listeners who will
+ * be notified when the receiver needs to be painted.
+ *
+ * @param listener the listener which should no longer be notified
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
+ * </ul>
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ *
+ * @see PaintListener
+ * @see #addPaintListener
+ */
+public void removePaintListener(PaintListener listener) {
+	checkWidget ();
+	if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
+	if (eventTable == null) return;
+	eventTable.unhook(SWT.Paint, listener);
+}
+
+/**
+ * Removes the listener from the collection of listeners who will
+ * be notified when traversal events occur.
+ *
+ * @param listener the listener which should no longer be notified
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
+ * </ul>
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ *
+ * @see TraverseListener
+ * @see #addTraverseListener
+ */
+public void removeTraverseListener(TraverseListener listener) {
+	checkWidget ();
+	if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
+	if (eventTable == null) return;
+	eventTable.unhook (SWT.Traverse, listener);
+}
+
+void showWidget (boolean visible) {
+	int /*long*/ topHandle = topHandle ();
+	OS.ShowWindow (topHandle, visible ? OS.SW_SHOW : OS.SW_HIDE);
+	if (handle != topHandle) OS.ShowWindow (handle, visible ? OS.SW_SHOW : OS.SW_HIDE);
+}
+
+boolean sendFocusEvent (int type) {
+	Shell shell = getShell ();
+	
+	/*
+	* Feature in Windows.  During the processing of WM_KILLFOCUS,
+	* when the focus window is queried using GetFocus(), it has
+	* already been assigned to the new window.  The fix is to
+	* remember the control that is losing or gaining focus and
+	* answer it during WM_KILLFOCUS.  If a WM_SETFOCUS occurs
+	* during WM_KILLFOCUS, the focus control needs to be updated
+	* to the current control.  At any other time, the focus
+	* control matches Windows.
+	*/
+	Display display = this.display;
+	display.focusEvent = type;
+	display.focusControl = this;
+	sendEvent (type);
+	// widget could be disposed at this point
+	display.focusEvent = SWT.None;
+	display.focusControl = null;
+
+	/*
+	* It is possible that the shell may be
+	* disposed at this point.  If this happens
+	* don't send the activate and deactivate
+	* events.
+	*/	
+	if (!shell.isDisposed ()) {
+		switch (type) {
+			case SWT.FocusIn:
+				shell.setActiveControl (this);
+				break;
+			case SWT.FocusOut:
+				if (shell != display.getActiveShell ()) {
+					shell.setActiveControl (null);
+				}
+				break;
+		}
+	}
+	return true;
+}
+
+void sendMove () {
+	sendEvent (SWT.Move);
+}
+
+void sendResize () {
+	sendEvent (SWT.Resize);
+}
+
+void setBackground () {
+	Control control = findBackgroundControl ();
+	if (control == null) control = this;
+	if (control.backgroundImage != null) {
+		Shell shell = getShell ();
+		shell.releaseBrushes ();
+		setBackgroundImage (control.backgroundImage.handle);
+	} else {
+		setBackgroundPixel (control.background == -1 ? control.defaultBackground() : control.background);
+	}
+}
+
+/**
+ * Sets the receiver's background color to the color specified
+ * by the argument, or to the default system color for the control
+ * if the argument is null.
+ * <p>
+ * Note: This operation is a hint and may be overridden by the platform.
+ * For example, on Windows the background of a Button cannot be changed.
+ * </p>
+ * @param color the new color (or null)
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> 
+ * </ul>
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public void setBackground (Color color) {
+	checkWidget ();
+	int pixel = -1;
+	if (color != null) {
+		if (color.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT);
+		pixel = color.handle;
+	}
+	if (pixel == background) return;
+	background = pixel;
+	updateBackgroundColor ();
+}
+
+/**
+ * Sets the receiver's background image to the image specified
+ * by the argument, or to the default system color for the control
+ * if the argument is null.  The background image is tiled to fill
+ * the available space.
+ * <p>
+ * Note: This operation is a hint and may be overridden by the platform.
+ * For example, on Windows the background of a Button cannot be changed.
+ * </p>
+ * @param image the new image (or null)
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> 
+ *    <li>ERROR_INVALID_ARGUMENT - if the argument is not a bitmap</li> 
+ * </ul>
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ * 
+ * @since 3.2
+ */
+public void setBackgroundImage (Image image) {
+	checkWidget ();
+	if (image != null) {
+		if (image.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT);
+		if (image.type != SWT.BITMAP) error (SWT.ERROR_INVALID_ARGUMENT);
+	}
+	if (backgroundImage == image) return;
+	backgroundImage = image;
+	Shell shell = getShell ();
+	shell.releaseBrushes ();
+	updateBackgroundImage ();
+}
+
+void setBackgroundImage (int /*long*/ hBitmap) {
+	if (OS.IsWinCE) {
+		OS.InvalidateRect (handle, null, true);
+	} else {
+		int flags = OS.RDW_ERASE | OS.RDW_FRAME | OS.RDW_INVALIDATE;
+		OS.RedrawWindow (handle, null, 0, flags);
+	}
+}
+
+void setBackgroundPixel (int pixel) {
+	if (OS.IsWinCE) {
+		OS.InvalidateRect (handle, null, true);
+	} else {
+		int flags = OS.RDW_ERASE | OS.RDW_FRAME | OS.RDW_INVALIDATE;
+		OS.RedrawWindow (handle, null, 0, flags);
+	}
+}
+
+/**
+ * Sets the receiver's size and location to the rectangular
+ * area specified by the arguments. The <code>x</code> and 
+ * <code>y</code> arguments are relative to the receiver's
+ * parent (or its display if its parent is null), unless 
+ * the receiver is a shell. In this case, the <code>x</code>
+ * and <code>y</code> arguments are relative to the display.
+ * <p>
+ * Note: Attempting to set the width or height of the
+ * receiver to a negative number will cause that
+ * value to be set to zero instead.
+ * </p>
+ *
+ * @param x the new x coordinate for the receiver
+ * @param y the new y coordinate for the receiver
+ * @param width the new width for the receiver
+ * @param height the new height for the receiver
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public void setBounds (int x, int y, int width, int height) {
+	checkWidget ();
+	int flags = OS.SWP_NOZORDER | OS.SWP_DRAWFRAME | OS.SWP_NOACTIVATE;
+	setBounds (x, y, Math.max (0, width), Math.max (0, height), flags);
+}
+
+void setBounds (int x, int y, int width, int height, int flags) {
+	setBounds (x, y, width, height, flags, true);
+}
+
+void setBounds (int x, int y, int width, int height, int flags, boolean defer) {
+	if (findImageControl () != null) {
+		if (backgroundImage == null) flags |= OS.SWP_NOCOPYBITS;
+	} else {
+		if (OS.GetWindow (handle, OS.GW_CHILD) == 0) {
+			if (OS.COMCTL32_MAJOR >= 6 && OS.IsAppThemed ()) {
+				if (findThemeControl () != null) flags |= OS.SWP_NOCOPYBITS;
+			}
+		}
+	}
+	int /*long*/ topHandle = topHandle ();
+	if (defer && parent != null) {
+		forceResize ();
+		if (parent.lpwp != null) {
+			int index = 0;
+			WINDOWPOS [] lpwp = parent.lpwp;
+			while (index < lpwp.length) {
+				if (lpwp [index] == null) break;
+				index ++;
+			}
+			if (index == lpwp.length) {
+				WINDOWPOS [] newLpwp = new WINDOWPOS [lpwp.length + 4];
+				System.arraycopy (lpwp, 0, newLpwp, 0, lpwp.length);
+				parent.lpwp = lpwp = newLpwp;
+			}
+			WINDOWPOS wp = new WINDOWPOS ();
+			wp.hwnd = topHandle;
+			wp.x = x;
+			wp.y = y;
+			wp.cx = width;
+			wp.cy = height;
+			wp.flags = flags;
+			lpwp [index] = wp;
+			return;
+		}
+	}
+	SetWindowPos (topHandle, 0, x, y, width, height, flags);
+}
+
+/**
+ * Sets the receiver's size and location to the rectangular
+ * area specified by the argument. The <code>x</code> and 
+ * <code>y</code> fields of the rectangle are relative to
+ * the receiver's parent (or its display if its parent is null).
+ * <p>
+ * Note: Attempting to set the width or height of the
+ * receiver to a negative number will cause that
+ * value to be set to zero instead.
+ * </p>
+ *
+ * @param rect the new bounds for the receiver
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public void setBounds (Rectangle rect) {
+	checkWidget ();
+	if (rect == null) error (SWT.ERROR_NULL_ARGUMENT);
+	setBounds (rect.x, rect.y, rect.width, rect.height);
+}
+
+/**
+ * If the argument is <code>true</code>, causes the receiver to have
+ * all mouse events delivered to it until the method is called with
+ * <code>false</code> as the argument.  Note that on some platforms,
+ * a mouse button must currently be down for capture to be assigned.
+ *
+ * @param capture <code>true</code> to capture the mouse, and <code>false</code> to release it
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public void setCapture (boolean capture) {
+	checkWidget ();
+	if (capture) {
+		OS.SetCapture (handle);
+	} else {
+		if (OS.GetCapture () == handle) {
+			OS.ReleaseCapture ();
+		}
+	}
+}
+
+void setCursor () {
+	int /*long*/ lParam = OS.MAKELPARAM (OS.HTCLIENT, OS.WM_MOUSEMOVE);
+	OS.SendMessage (handle, OS.WM_SETCURSOR, handle, lParam);
+}
+
+/**
+ * Sets the receiver's cursor to the cursor specified by the
+ * argument, or to the default cursor for that kind of control
+ * if the argument is null.
+ * <p>
+ * When the mouse pointer passes over a control its appearance
+ * is changed to match the control's cursor.
+ * </p>
+ *
+ * @param cursor the new cursor (or null)
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> 
+ * </ul>
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public void setCursor (Cursor cursor) {
+	checkWidget ();
+	if (cursor != null && cursor.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT);
+	this.cursor = cursor;
+	if (OS.IsWinCE) {
+		int /*long*/ hCursor = cursor != null ? cursor.handle : 0;
+		OS.SetCursor (hCursor);
+		return;
+	}
+	int /*long*/ hwndCursor = OS.GetCapture ();
+	if (hwndCursor == 0) {
+		POINT pt = new POINT ();
+		if (!OS.GetCursorPos (pt)) return;
+		int /*long*/ hwnd = hwndCursor = OS.WindowFromPoint (pt);
+		while (hwnd != 0 && hwnd != handle) {
+			hwnd = OS.GetParent (hwnd);
+		}
+		if (hwnd == 0) return;
+	}
+	Control control = display.getControl (hwndCursor);
+	if (control == null) control = this;
+	control.setCursor ();
+}
+
+void setDefaultFont () {
+	int /*long*/ hFont = display.getSystemFont ().handle;
+	OS.SendMessage (handle, OS.WM_SETFONT, hFont, 0);
+}
+
+/**
+ * Sets the receiver's drag detect state. If the argument is
+ * <code>true</code>, the receiver will detect drag gestures,
+ * otherwise these gestures will be ignored.
+ *
+ * @param dragDetect the new drag detect state
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ * 
+ * @since 3.3
+ */
+public void setDragDetect (boolean dragDetect) {
+	checkWidget ();
+	if (dragDetect) {
+		state |= DRAG_DETECT;
+	} else {
+		state &= ~DRAG_DETECT;
+	}
+	enableDrag (dragDetect);
+}
+
+/**
+ * Enables the receiver if the argument is <code>true</code>,
+ * and disables it otherwise. A disabled control is typically
+ * not selectable from the user interface and draws with an
+ * inactive or "grayed" look.
+ *
+ * @param enabled the new enabled state
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public void setEnabled (boolean enabled) {
+	checkWidget ();
+	/*
+	* Feature in Windows.  If the receiver has focus, disabling
+	* the receiver causes no window to have focus.  The fix is
+	* to assign focus to the first ancestor window that takes
+	* focus.  If no window will take focus, set focus to the
+	* desktop.
+	*/
+	Control control = null;
+	boolean fixFocus = false;
+	if (!enabled) {
+		if (display.focusEvent != SWT.FocusOut) {
+			control = display.getFocusControl ();
+			fixFocus = isFocusAncestor (control);
+		}
+	}
+	enableWidget (enabled);
+	if (fixFocus) fixFocus (control);
+}
+
+boolean setFixedFocus () {
+	if ((style & SWT.NO_FOCUS) != 0) return false;
+	return forceFocus ();
+}
+
+/**
+ * Causes the receiver to have the <em>keyboard focus</em>, 
+ * such that all keyboard events will be delivered to it.  Focus
+ * reassignment will respect applicable platform constraints.
+ *
+ * @return <code>true</code> if the control got focus, and <code>false</code> if it was unable to.
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ *
+ * @see #forceFocus
+ */
+public boolean setFocus () {
+	checkWidget ();
+	if ((style & SWT.NO_FOCUS) != 0) return false;
+	return forceFocus ();
+}
+
+/**
+ * Sets the font that the receiver will use to paint textual information
+ * to the font specified by the argument, or to the default font for that
+ * kind of control if the argument is null.
+ *
+ * @param font the new font (or null)
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> 
+ * </ul>
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public void setFont (Font font) {
+	checkWidget ();
+	int /*long*/ hFont = 0;
+	if (font != null) { 
+		if (font.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT);
+		hFont = font.handle;
+	}
+	this.font = font;
+	if (hFont == 0) hFont = defaultFont ();
+	OS.SendMessage (handle, OS.WM_SETFONT, hFont, 1);
+}
+
+/**
+ * Sets the receiver's foreground color to the color specified
+ * by the argument, or to the default system color for the control
+ * if the argument is null.
+ * <p>
+ * Note: This operation is a hint and may be overridden by the platform.
+ * </p>
+ * @param color the new color (or null)
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> 
+ * </ul>
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public void setForeground (Color color) {
+	checkWidget ();
+	int pixel = -1;
+	if (color != null) {
+		if (color.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT);
+		pixel = color.handle;
+	}
+	if (pixel == foreground) return;
+	foreground = pixel;
+	setForegroundPixel (pixel);
+}
+
+void setForegroundPixel (int pixel) {
+	OS.InvalidateRect (handle, null, true);
+}
+
+/**
+ * Sets the layout data associated with the receiver to the argument.
+ * 
+ * @param layoutData the new layout data for the receiver.
+ * 
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public void setLayoutData (Object layoutData) {
+	checkWidget ();
+	this.layoutData = layoutData;
+}
+
+/**
+ * Sets the receiver's location to the point specified by
+ * the arguments which are relative to the receiver's
+ * parent (or its display if its parent is null), unless 
+ * the receiver is a shell. In this case, the point is 
+ * relative to the display. 
+ *
+ * @param x the new x coordinate for the receiver
+ * @param y the new y coordinate for the receiver
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public void setLocation (int x, int y) {
+	checkWidget ();
+	int flags = OS.SWP_NOSIZE | OS.SWP_NOZORDER | OS.SWP_NOACTIVATE;
+	/*
+	* Feature in WinCE.  The SWP_DRAWFRAME flag for SetWindowPos()
+	* causes a WM_SIZE message to be sent even when the SWP_NOSIZE
+	* flag is specified.  The fix is to set SWP_DRAWFRAME only when
+	* not running on WinCE.
+	*/
+	if (!OS.IsWinCE) flags |= OS.SWP_DRAWFRAME;
+	setBounds (x, y, 0, 0, flags);
+}
+
+/**
+ * Sets the receiver's location to the point specified by
+ * the arguments which are relative to the receiver's
+ * parent (or its display if its parent is null), unless 
+ * the receiver is a shell. In this case, the point is 
+ * relative to the display. 
+ *
+ * @param location the new location for the receiver
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public void setLocation (Point location) {
+	checkWidget ();
+	if (location == null) error (SWT.ERROR_NULL_ARGUMENT);
+	setLocation (location.x, location.y);
+}
+
+/**
+ * Sets the receiver's pop up menu to the argument.
+ * All controls may optionally have a pop up
+ * menu that is displayed when the user requests one for
+ * the control. The sequence of key strokes, button presses
+ * and/or button releases that are used to request a pop up
+ * menu is platform specific.
+ * <p>
+ * Note: Disposing of a control that has a pop up menu will
+ * dispose of the menu.  To avoid this behavior, set the
+ * menu to null before the control is disposed.
+ * </p>
+ *
+ * @param menu the new pop up menu
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_MENU_NOT_POP_UP - the menu is not a pop up menu</li>
+ *    <li>ERROR_INVALID_PARENT - if the menu is not in the same widget tree</li>
+ *    <li>ERROR_INVALID_ARGUMENT - if the menu has been disposed</li> 
+ * </ul>
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public void setMenu (Menu menu) {
+	checkWidget ();
+	if (menu != null) {
+		if (menu.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT);
+		if ((menu.style & SWT.POP_UP) == 0) {
+			error (SWT.ERROR_MENU_NOT_POP_UP);
+		}
+		if (menu.parent != menuShell ()) {
+			error (SWT.ERROR_INVALID_PARENT);
+		}
+	}
+	this.menu = menu;
+}
+
+boolean setRadioFocus (boolean tabbing) {
+	return false;
+}
+
+boolean setRadioSelection (boolean value) {
+	return false;
+}
+
+/**
+ * If the argument is <code>false</code>, causes subsequent drawing
+ * operations in the receiver to be ignored. No drawing of any kind
+ * can occur in the receiver until the flag is set to true.
+ * Graphics operations that occurred while the flag was
+ * <code>false</code> are lost. When the flag is set to <code>true</code>,
+ * the entire widget is marked as needing to be redrawn.  Nested calls
+ * to this method are stacked.
+ * <p>
+ * Note: This operation is a hint and may not be supported on some
+ * platforms or for some widgets.
+ * </p>
+ *
+ * @param redraw the new redraw state
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ * 
+ * @see #redraw(int, int, int, int, boolean)
+ * @see #update()
+ */
+public void setRedraw (boolean redraw) {
+	checkWidget ();
+	/*
+	 * Feature in Windows.  When WM_SETREDRAW is used to turn
+	 * off drawing in a widget, it clears the WS_VISIBLE bits
+	 * and then sets them when redraw is turned back on.  This
+	 * means that WM_SETREDRAW will make a widget unexpectedly
+	 * visible.  The fix is to track the visibility state while
+	 * drawing is turned off and restore it when drawing is
+	 * turned back on.
+	 */
+	if (drawCount == 0) {
+		int bits = OS.GetWindowLong (handle, OS.GWL_STYLE);
+		if ((bits & OS.WS_VISIBLE) == 0) state |= HIDDEN;
+	}
+	if (redraw) {
+		if (--drawCount == 0) {
+			int /*long*/ topHandle = topHandle ();
+			OS.SendMessage (topHandle, OS.WM_SETREDRAW, 1, 0);
+			if (handle != topHandle) OS.SendMessage (handle, OS.WM_SETREDRAW, 1, 0);
+			if ((state & HIDDEN) != 0) {
+				state &= ~HIDDEN;
+				OS.ShowWindow (topHandle, OS.SW_HIDE);
+				if (handle != topHandle) OS.ShowWindow (handle, OS.SW_HIDE);
+			} else {
+				if (OS.IsWinCE) {
+					OS.InvalidateRect (topHandle, null, true);
+					if (handle != topHandle) OS.InvalidateRect (handle, null, true);
+				} else {
+					int flags = OS.RDW_ERASE | OS.RDW_FRAME | OS.RDW_INVALIDATE | OS.RDW_ALLCHILDREN;
+					OS.RedrawWindow (topHandle, null, 0, flags);
+				}
+			}
+		}
+	} else {
+		if (drawCount++ == 0) {
+			int /*long*/ topHandle = topHandle ();
+			OS.SendMessage (topHandle, OS.WM_SETREDRAW, 0, 0);
+			if (handle != topHandle) OS.SendMessage (handle, OS.WM_SETREDRAW, 0, 0);
+		}
+	}
+}
+
+/**
+ * Sets the shape of the control to the region specified
+ * by the argument.  When the argument is null, the
+ * default shape of the control is restored.
+ *
+ * @param region the region that defines the shape of the control (or null)
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_INVALID_ARGUMENT - if the region has been disposed</li>
+ * </ul>  
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ *
+ * @since 3.4
+ */
+public void setRegion (Region region) {
+	checkWidget ();
+	if (region != null && region.isDisposed()) error (SWT.ERROR_INVALID_ARGUMENT);
+	int /*long*/ hRegion = 0;
+	if (region != null) {
+		hRegion = OS.CreateRectRgn (0, 0, 0, 0);
+		OS.CombineRgn (hRegion, region.handle, hRegion, OS.RGN_OR);
+	}
+	OS.SetWindowRgn (handle, hRegion, true);
+	this.region = region;
+}
+
+boolean setSavedFocus () {
+	return forceFocus ();
+}
+
+/**
+ * Sets the receiver's size to the point specified by the arguments.
+ * <p>
+ * Note: Attempting to set the width or height of the
+ * receiver to a negative number will cause that
+ * value to be set to zero instead.
+ * </p>
+ *
+ * @param width the new width for the receiver
+ * @param height the new height for the receiver
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public void setSize (int width, int height) {
+	checkWidget ();
+	int flags = OS.SWP_NOMOVE | OS.SWP_NOZORDER | OS.SWP_DRAWFRAME | OS.SWP_NOACTIVATE;
+	setBounds (0, 0, Math.max (0, width), Math.max (0, height), flags);
+}
+
+/**
+ * Sets the receiver's size to the point specified by the argument.
+ * <p>
+ * Note: Attempting to set the width or height of the
+ * receiver to a negative number will cause them to be
+ * set to zero instead.
+ * </p>
+ *
+ * @param size the new size for the receiver
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the point is null</li>
+ * </ul>
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public void setSize (Point size) {
+	checkWidget ();
+	if (size == null) error (SWT.ERROR_NULL_ARGUMENT);
+	setSize (size.x, size.y);
+}
+
+boolean setTabItemFocus () {
+	if (!isShowing ()) return false;
+	return forceFocus ();
+}
+
+/**
+ * Sets the receiver's tool tip text to the argument, which
+ * may be null indicating that the default tool tip for the 
+ * control will be shown. For a control that has a default
+ * tool tip, such as the Tree control on Windows, setting
+ * the tool tip text to an empty string replaces the default,
+ * causing no tool tip text to be shown.
+ * <p>
+ * The mnemonic indicator (character '&amp;') is not displayed in a tool tip.
+ * To display a single '&amp;' in the tool tip, the character '&amp;' can be 
+ * escaped by doubling it in the string.
+ * </p>
+ * 
+ * @param string the new tool tip text (or null)
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public void setToolTipText (String string) {
+	checkWidget ();
+	toolTipText = string;
+	setToolTipText (getShell (), string);
+}
+
+void setToolTipText (Shell shell, String string) {
+	shell.setToolTipText (handle, string);
+}
+
+/**
+ * Marks the receiver as visible if the argument is <code>true</code>,
+ * and marks it invisible otherwise. 
+ * <p>
+ * If one of the receiver's ancestors is not visible or some
+ * other condition makes the receiver not visible, marking
+ * it visible may not actually cause it to be displayed.
+ * </p>
+ *
+ * @param visible the new visibility state
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public void setVisible (boolean visible) {
+	checkWidget ();
+	if (!getDrawing()) {
+		if (((state & HIDDEN) == 0) == visible) return;
+	} else {
+		int bits = OS.GetWindowLong (handle, OS.GWL_STYLE);
+		if (((bits & OS.WS_VISIBLE) != 0) == visible) return;
+	}
+	if (visible) {
+		sendEvent (SWT.Show);
+		if (isDisposed ()) return;
+	}
+	
+	/*
+	* Feature in Windows.  If the receiver has focus, hiding
+	* the receiver causes no window to have focus.  The fix is
+	* to assign focus to the first ancestor window that takes
+	* focus.  If no window will take focus, set focus to the
+	* desktop.
+	*/
+	Control control = null;
+	boolean fixFocus = false;
+	if (!visible) {
+		if (display.focusEvent != SWT.FocusOut) {
+			control = display.getFocusControl ();
+			fixFocus = isFocusAncestor (control);
+		}
+	}
+	if (!getDrawing()) {
+		state = visible ? state & ~HIDDEN : state | HIDDEN;
+	} else {
+		showWidget (visible);
+		if (isDisposed ()) return;
+	}
+	if (!visible) {
+		sendEvent (SWT.Hide);
+		if (isDisposed ()) return;
+	}
+	if (fixFocus) fixFocus (control);
+}
+
+void sort (int [] items) {
+	/* Shell Sort from K&R, pg 108 */
+	int length = items.length;
+	for (int gap=length/2; gap>0; gap/=2) {
+		for (int i=gap; i<length; i++) {
+			for (int j=i-gap; j>=0; j-=gap) {
+		   		if (items [j] <= items [j + gap]) {
+					int swap = items [j];
+					items [j] = items [j + gap];
+					items [j + gap] = swap;
+		   		}
+	    	}
+	    }
+	}
+}
+
+void subclass () {
+	int /*long*/ oldProc = windowProc ();
+	int /*long*/ newProc = display.windowProc;
+	if (oldProc == newProc) return;
+	OS.SetWindowLongPtr (handle, OS.GWLP_WNDPROC, newProc);
+}
+
+/**
+ * Returns a point which is the result of converting the
+ * argument, which is specified in display relative coordinates,
+ * to coordinates relative to the receiver.
+ * <p>
+ * @param x the x coordinate to be translated
+ * @param y the y coordinate to be translated
+ * @return the translated coordinates
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ * 
+ * @since 2.1
+ */
+public Point toControl (int x, int y) {
+	checkWidget ();
+	POINT pt = new POINT ();
+	pt.x = x;  pt.y = y; 
+	OS.ScreenToClient (handle, pt);
+	return new Point (pt.x, pt.y);
+}
+
+/**
+ * Returns a point which is the result of converting the
+ * argument, which is specified in display relative coordinates,
+ * to coordinates relative to the receiver.
+ * <p>
+ * @param point the point to be translated (must not be null)
+ * @return the translated coordinates
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the point is null</li>
+ * </ul>
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public Point toControl (Point point) {
+	checkWidget ();
+	if (point == null) error (SWT.ERROR_NULL_ARGUMENT);
+	return toControl (point.x, point.y);
+}
+
+/**
+ * Returns a point which is the result of converting the
+ * argument, which is specified in coordinates relative to
+ * the receiver, to display relative coordinates.
+ * <p>
+ * @param x the x coordinate to be translated
+ * @param y the y coordinate to be translated
+ * @return the translated coordinates
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ * 
+ * @since 2.1
+ */
+public Point toDisplay (int x, int y) {
+	checkWidget ();
+	POINT pt = new POINT ();
+	pt.x = x;  pt.y = y; 
+	OS.ClientToScreen (handle, pt);
+	return new Point (pt.x, pt.y);
+}
+
+/**
+ * Returns a point which is the result of converting the
+ * argument, which is specified in coordinates relative to
+ * the receiver, to display relative coordinates.
+ * <p>
+ * @param point the point to be translated (must not be null)
+ * @return the translated coordinates
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the point is null</li>
+ * </ul>
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public Point toDisplay (Point point) {
+	checkWidget ();
+	if (point == null) error (SWT.ERROR_NULL_ARGUMENT);
+	return toDisplay (point.x, point.y);
+}
+
+int /*long*/ topHandle () {
+	return handle;
+}
+
+boolean translateAccelerator (MSG msg) {
+	return menuShell ().translateAccelerator (msg);
+}
+
+boolean translateMnemonic (Event event, Control control) {
+	if (control == this) return false;
+	if (!isVisible () || !isEnabled ()) return false;
+	event.doit = mnemonicMatch (event.character);
+	return traverse (event);
+}
+
+boolean translateMnemonic (MSG msg) {
+	if (msg.wParam < 0x20) return false;
+	int /*long*/ hwnd = msg.hwnd;
+	if (OS.GetKeyState (OS.VK_MENU) >= 0) {
+		int /*long*/ code = OS.SendMessage (hwnd, OS.WM_GETDLGCODE, 0, 0);
+		if ((code & OS.DLGC_WANTALLKEYS) != 0) return false;
+		if ((code & OS.DLGC_BUTTON) == 0) return false;
+	}
+	Decorations shell = menuShell ();
+	if (shell.isVisible () && shell.isEnabled ()) {
+		display.lastAscii = (int)/*64*/msg.wParam;
+		display.lastNull = display.lastDead = false;
+		Event event = new Event ();
+		event.detail = SWT.TRAVERSE_MNEMONIC;
+		if (setKeyState (event, SWT.Traverse, msg.wParam, msg.lParam)) {
+			return translateMnemonic (event, null) || shell.translateMnemonic (event, this);
+		}
+	}
+	return false;
+}
+
+boolean translateTraversal (MSG msg) {
+	int /*long*/ hwnd = msg.hwnd;
+	int key = (int)/*64*/msg.wParam;
+	if (key == OS.VK_MENU) {
+		OS.SendMessage (hwnd, OS.WM_CHANGEUISTATE, OS.UIS_INITIALIZE, 0);
+		return false;
+	}
+	int detail = SWT.TRAVERSE_NONE;
+	boolean doit = true, all = false;
+	boolean lastVirtual = false;
+	int lastKey = key, lastAscii = 0;
+	switch (key) {
+		case OS.VK_ESCAPE: {
+			all = true;
+			lastAscii = 27;
+			int /*long*/ code = OS.SendMessage (hwnd, OS.WM_GETDLGCODE, 0, 0);
+			if ((code & OS.DLGC_WANTALLKEYS) != 0) {
+				/*
+				* Use DLGC_HASSETSEL to determine that the control
+				* is a text widget.  A text widget normally wants
+				* all keys except VK_ESCAPE.  If this bit is not
+				* set, then assume the control wants all keys,
+				* including VK_ESCAPE.
+				*/
+				if ((code & OS.DLGC_HASSETSEL) == 0) doit = false;
+			}
+			detail = SWT.TRAVERSE_ESCAPE;
+			break;
+		}
+		case OS.VK_RETURN: {
+			all = true;
+			lastAscii = '\r';
+			int /*long*/ code = OS.SendMessage (hwnd, OS.WM_GETDLGCODE, 0, 0);
+			if ((code & OS.DLGC_WANTALLKEYS) != 0) doit = false;
+			detail = SWT.TRAVERSE_RETURN;
+			break;
+		}
+		case OS.VK_TAB: {
+			lastAscii = '\t';
+			boolean next = OS.GetKeyState (OS.VK_SHIFT) >= 0;
+			int /*long*/ code = OS.SendMessage (hwnd, OS.WM_GETDLGCODE, 0, 0);
+			if ((code & (OS.DLGC_WANTTAB | OS.DLGC_WANTALLKEYS)) != 0) {
+				/*
+				* Use DLGC_HASSETSEL to determine that the control is a
+				* text widget.  If the control is a text widget, then
+				* Ctrl+Tab and Shift+Tab should traverse out of the widget.
+				* If the control is not a text widget, the correct behavior
+				* is to give every character, including Tab, Ctrl+Tab and
+				* Shift+Tab to the control.
+				*/
+				if ((code & OS.DLGC_HASSETSEL) != 0) {
+					if (next && OS.GetKeyState (OS.VK_CONTROL) >= 0) {
+						doit = false;
+					}
+				} else {
+					doit = false;
+				}
+			}
+			detail = next ? SWT.TRAVERSE_TAB_NEXT : SWT.TRAVERSE_TAB_PREVIOUS;
+			break;
+		}
+		case OS.VK_UP:
+		case OS.VK_LEFT:
+		case OS.VK_DOWN:
+		case OS.VK_RIGHT: {
+			/*
+			* On WinCE SP there is no tab key.  Focus is assigned
+			* using the VK_UP and VK_DOWN keys, not with VK_LEFT
+			* or VK_RIGHT.
+			*/
+			if (OS.IsSP) {
+				if (key == OS.VK_LEFT || key == OS.VK_RIGHT) return false;
+			}
+			lastVirtual = true;
+			int /*long*/ code = OS.SendMessage (hwnd, OS.WM_GETDLGCODE, 0, 0);
+			if ((code & (OS.DLGC_WANTARROWS /*| OS.DLGC_WANTALLKEYS*/)) != 0) doit = false;
+			boolean next = key == OS.VK_DOWN || key == OS.VK_RIGHT;
+			if (parent != null && (parent.style & SWT.MIRRORED) != 0) {
+				if (key == OS.VK_LEFT || key == OS.VK_RIGHT) next = !next;
+			}
+			detail = next ? SWT.TRAVERSE_ARROW_NEXT : SWT.TRAVERSE_ARROW_PREVIOUS;
+			break;
+		}
+		case OS.VK_PRIOR:
+		case OS.VK_NEXT: {
+			all = true;
+			lastVirtual = true;
+			if (OS.GetKeyState (OS.VK_CONTROL) >= 0) return false;
+			int /*long*/ code = OS.SendMessage (hwnd, OS.WM_GETDLGCODE, 0, 0);
+			if ((code & OS.DLGC_WANTALLKEYS) != 0) {
+				/*
+				* Use DLGC_HASSETSEL to determine that the control is a
+				* text widget.  If the control is a text widget, then
+				* Ctrl+PgUp and Ctrl+PgDn should traverse out of the widget.
+				*/
+				if ((code & OS.DLGC_HASSETSEL) == 0) doit = false;
+			}
+			detail = key == OS.VK_PRIOR ? SWT.TRAVERSE_PAGE_PREVIOUS : SWT.TRAVERSE_PAGE_NEXT;
+			break;
+		}
+		default:
+			return false;
+	}
+	Event event = new Event ();
+	event.doit = doit;
+	event.detail = detail;
+	display.lastKey = lastKey;
+	display.lastAscii = lastAscii;
+	display.lastVirtual = lastVirtual;
+	display.lastNull = display.lastDead = false;
+	if (!setKeyState (event, SWT.Traverse, msg.wParam, msg.lParam)) return false;
+	Shell shell = getShell ();
+	Control control = this;
+	do {
+		if (control.traverse (event)) {
+			OS.SendMessage (hwnd, OS.WM_CHANGEUISTATE, OS.UIS_INITIALIZE, 0);
+			return true;
+		}
+		if (!event.doit && control.hooks (SWT.Traverse)) return false;
+		if (control == shell) return false;
+		control = control.parent;
+	} while (all && control != null);
+	return false;
+}
+
+boolean traverse (Event event) {
+	/*
+	* It is possible (but unlikely), that application
+	* code could have disposed the widget in the traverse
+	* event.  If this happens, return true to stop further
+	* event processing.
+	*/	
+	sendEvent (SWT.Traverse, event);
+	if (isDisposed ()) return true;
+	if (!event.doit) return false;
+	switch (event.detail) {
+		case SWT.TRAVERSE_NONE:			return true;
+		case SWT.TRAVERSE_ESCAPE:			return traverseEscape ();
+		case SWT.TRAVERSE_RETURN:			return traverseReturn ();
+		case SWT.TRAVERSE_TAB_NEXT:		return traverseGroup (true);
+		case SWT.TRAVERSE_TAB_PREVIOUS:	return traverseGroup (false);
+		case SWT.TRAVERSE_ARROW_NEXT:		return traverseItem (true);
+		case SWT.TRAVERSE_ARROW_PREVIOUS:	return traverseItem (false);
+		case SWT.TRAVERSE_MNEMONIC:		return traverseMnemonic (event.character);	
+		case SWT.TRAVERSE_PAGE_NEXT:		return traversePage (true);
+		case SWT.TRAVERSE_PAGE_PREVIOUS:	return traversePage (false);
+	}
+	return false;
+}
+
+/**
+ * Based on the argument, perform one of the expected platform
+ * traversal action. The argument should be one of the constants:
+ * <code>SWT.TRAVERSE_ESCAPE</code>, <code>SWT.TRAVERSE_RETURN</code>, 
+ * <code>SWT.TRAVERSE_TAB_NEXT</code>, <code>SWT.TRAVERSE_TAB_PREVIOUS</code>, 
+ * <code>SWT.TRAVERSE_ARROW_NEXT</code> and <code>SWT.TRAVERSE_ARROW_PREVIOUS</code>.
+ *
+ * @param traversal the type of traversal
+ * @return true if the traversal succeeded
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public boolean traverse (int traversal) {
+	checkWidget ();
+	Event event = new Event ();
+	event.doit = true;
+	event.detail = traversal;
+	return traverse (event);
+}
+
+boolean traverseEscape () {
+	return false;
+}
+
+boolean traverseGroup (boolean next) {
+	Control root = computeTabRoot ();
+	Widget group = computeTabGroup ();
+	Widget [] list = root.computeTabList ();
+	int length = list.length;
+	int index = 0;
+	while (index < length) {
+		if (list [index] == group) break;
+		index++;
+	}
+	/*
+	* It is possible (but unlikely), that application
+	* code could have disposed the widget in focus in
+	* or out events.  Ensure that a disposed widget is
+	* not accessed.
+	*/
+	if (index == length) return false;
+	int start = index, offset = (next) ? 1 : -1;
+	while ((index = ((index + offset + length) % length)) != start) {
+		Widget widget = list [index];
+		if (!widget.isDisposed () && widget.setTabGroupFocus ()) {
+			return true;
+		}
+	}
+	if (group.isDisposed ()) return false;
+	return group.setTabGroupFocus ();
+}
+
+boolean traverseItem (boolean next) {
+	Control [] children = parent._getChildren ();
+	int length = children.length;
+	int index = 0;
+	while (index < length) {
+		if (children [index] == this) break;
+		index++;
+	}
+	/*
+	* It is possible (but unlikely), that application
+	* code could have disposed the widget in focus in
+	* or out events.  Ensure that a disposed widget is
+	* not accessed.
+	*/
+	if (index == length) return false;
+	int start = index, offset = (next) ? 1 : -1;
+	while ((index = (index + offset + length) % length) != start) {
+		Control child = children [index];
+		if (!child.isDisposed () && child.isTabItem ()) {
+			if (child.setTabItemFocus ()) return true;
+		}
+	}
+	return false;
+}
+
+boolean traverseMnemonic (char key) {
+	if (mnemonicHit (key)) {
+		OS.SendMessage (handle, OS.WM_CHANGEUISTATE, OS.UIS_INITIALIZE, 0);
+		return true;
+	}
+	return false;
+}
+
+boolean traversePage (boolean next) {
+	return false;
+}
+
+boolean traverseReturn () {
+	return false;
+}
+
+void unsubclass () {
+	int /*long*/ newProc = windowProc ();
+	int /*long*/ oldProc = display.windowProc;
+	if (oldProc == newProc) return;
+	OS.SetWindowLongPtr (handle, OS.GWLP_WNDPROC, newProc);
+}
+
+/**
+ * Forces all outstanding paint requests for the widget
+ * to be processed before this method returns. If there
+ * are no outstanding paint request, this method does
+ * nothing.
+ * <p>
+ * Note: This method does not cause a redraw.
+ * </p>
+ *
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ *
+ * @see #redraw()
+ * @see #redraw(int, int, int, int, boolean)
+ * @see PaintListener
+ * @see SWT#Paint
+ */
+public void update () {
+	checkWidget ();
+	update (false);
+}
+
+void update (boolean all) {
+//	checkWidget ();
+	if (OS.IsWinCE) {
+		OS.UpdateWindow (handle);
+	} else {
+		int flags = OS.RDW_UPDATENOW;
+		if (all) flags |= OS.RDW_ALLCHILDREN;
+		OS.RedrawWindow (handle, null, 0, flags);
+	}
+}
+
+void updateBackgroundColor () {
+	Control control = findBackgroundControl ();
+	if (control == null) control = this;
+	setBackgroundPixel (control.background);
+}
+
+void updateBackgroundImage () {
+	Control control = findBackgroundControl ();
+	Image image = control != null ? control.backgroundImage : backgroundImage;
+	setBackgroundImage (image != null ? image.handle : 0);
+}
+
+void updateBackgroundMode () {
+	int oldState = state & PARENT_BACKGROUND;
+	checkBackground ();
+	if (oldState != (state & PARENT_BACKGROUND)) {
+		setBackground ();
+	}
+}
+
+void updateFont (Font oldFont, Font newFont) {
+	if (getFont ().equals (oldFont)) setFont (newFont);
+}
+
+void updateImages () {
+	/* Do nothing */
+}
+
+void updateLayout (boolean resize, boolean all) {
+	/* Do nothing */
+}
+
+CREATESTRUCT widgetCreateStruct () {
+	return null;
+}
+
+int widgetExtStyle () {
+	int bits = 0;
+	if (!OS.IsPPC) {
+		if ((style & SWT.BORDER) != 0) bits |= OS.WS_EX_CLIENTEDGE;
+	}
+//	if ((style & SWT.BORDER) != 0) {
+//		if ((style & SWT.FLAT) == 0) bits |= OS.WS_EX_CLIENTEDGE;
+//	}
+	/*
+	* Feature in Windows NT.  When CreateWindowEx() is called with
+	* WS_EX_LAYOUTRTL or WS_EX_NOINHERITLAYOUT, CreateWindowEx()
+	* fails to create the HWND. The fix is to not use these bits.
+	*/
+	if (OS.WIN32_VERSION < OS.VERSION (4, 10)) {
+		return bits;
+	} 
+	bits |= OS.WS_EX_NOINHERITLAYOUT;
+	if ((style & SWT.RIGHT_TO_LEFT) != 0) bits |= OS.WS_EX_LAYOUTRTL;
+	return bits;
+}
+
+int /*long*/ widgetParent () {
+	return parent.handle;
+}
+
+int widgetStyle () {
+	/* Force clipping of siblings by setting WS_CLIPSIBLINGS */
+	int bits = OS.WS_CHILD | OS.WS_VISIBLE | OS.WS_CLIPSIBLINGS;
+//	if ((style & SWT.BORDER) != 0) {
+//		if ((style & SWT.FLAT) != 0) bits |= OS.WS_BORDER;
+//	}
+	if (OS.IsPPC) {
+		if ((style & SWT.BORDER) != 0) bits |= OS.WS_BORDER;
+	}
+	return bits;
+	
+	/*
+	* This code is intentionally commented.  When clipping
+	* of both siblings and children is not enforced, it is
+	* possible for application code to draw outside of the
+	* control.
+	*/
+//	int bits = OS.WS_CHILD | OS.WS_VISIBLE;
+//	if ((style & SWT.CLIP_SIBLINGS) != 0) bits |= OS.WS_CLIPSIBLINGS;
+//	if ((style & SWT.CLIP_CHILDREN) != 0) bits |= OS.WS_CLIPCHILDREN;
+//	return bits;
+}
+
+/**
+ * Changes the parent of the widget to be the one provided if
+ * the underlying operating system supports this feature.
+ * Returns <code>true</code> if the parent is successfully changed.
+ *
+ * @param parent the new parent for the control.
+ * @return <code>true</code> if the parent is changed and <code>false</code> otherwise.
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li>
+ *    <li>ERROR_NULL_ARGUMENT - if the parent is <code>null</code></li> 
+ * </ul>
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ *	</ul>
+ */
+public boolean setParent (Composite parent) {
+	checkWidget ();
+	if (parent == null) error (SWT.ERROR_NULL_ARGUMENT);
+	if (parent.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT);
+	if (this.parent == parent) return true;
+	if (!isReparentable ()) return false;
+	releaseParent ();
+	Shell newShell = parent.getShell (), oldShell = getShell ();
+	Decorations newDecorations = parent.menuShell (), oldDecorations = menuShell ();
+	if (oldShell != newShell || oldDecorations != newDecorations) {
+		Menu [] menus = oldShell.findMenus (this);
+		fixChildren (newShell, oldShell, newDecorations, oldDecorations, menus);
+	}
+	int /*long*/ topHandle = topHandle ();
+	if (OS.SetParent (topHandle, parent.handle) == 0) return false;
+	this.parent = parent;
+	int flags = OS.SWP_NOSIZE | OS.SWP_NOMOVE | OS.SWP_NOACTIVATE; 
+	SetWindowPos (topHandle, OS.HWND_BOTTOM, 0, 0, 0, 0, flags);
+	return true;
+}
+
+abstract TCHAR windowClass ();
+
+abstract int /*long*/ windowProc ();
+
+int /*long*/ windowProc (int /*long*/ hwnd, int msg, int /*long*/ wParam, int /*long*/ lParam) {
+	LRESULT result = null;
+	switch (msg) {
+		case OS.WM_ACTIVATE:			result = WM_ACTIVATE (wParam, lParam); break;
+		case OS.WM_CAPTURECHANGED:		result = WM_CAPTURECHANGED (wParam, lParam); break;
+		case OS.WM_CHANGEUISTATE:		result = WM_CHANGEUISTATE (wParam, lParam); break;
+		case OS.WM_CHAR:				result = WM_CHAR (wParam, lParam); break;
+		case OS.WM_CLEAR:				result = WM_CLEAR (wParam, lParam); break;
+		case OS.WM_CLOSE:				result = WM_CLOSE (wParam, lParam); break;
+		case OS.WM_COMMAND:				result = WM_COMMAND (wParam, lParam); break;
+		case OS.WM_CONTEXTMENU:			result = WM_CONTEXTMENU (wParam, lParam); break;
+		case OS.WM_CTLCOLORBTN:
+		case OS.WM_CTLCOLORDLG:
+		case OS.WM_CTLCOLOREDIT:
+		case OS.WM_CTLCOLORLISTBOX:
+		case OS.WM_CTLCOLORMSGBOX:
+		case OS.WM_CTLCOLORSCROLLBAR:
+		case OS.WM_CTLCOLORSTATIC:		result = WM_CTLCOLOR (wParam, lParam); break;
+		case OS.WM_CUT:					result = WM_CUT (wParam, lParam); break;
+		case OS.WM_DESTROY:				result = WM_DESTROY (wParam, lParam); break;
+		case OS.WM_DRAWITEM:			result = WM_DRAWITEM (wParam, lParam); break;
+		case OS.WM_ENDSESSION:			result = WM_ENDSESSION (wParam, lParam); break;
+		case OS.WM_ENTERIDLE:			result = WM_ENTERIDLE (wParam, lParam); break;
+		case OS.WM_ERASEBKGND:			result = WM_ERASEBKGND (wParam, lParam); break;
+		case OS.WM_GETDLGCODE:			result = WM_GETDLGCODE (wParam, lParam); break;
+		case OS.WM_GETFONT:				result = WM_GETFONT (wParam, lParam); break;
+		case OS.WM_GETOBJECT:			result = WM_GETOBJECT (wParam, lParam); break;
+		case OS.WM_GETMINMAXINFO:		result = WM_GETMINMAXINFO (wParam, lParam); break;
+		case OS.WM_HELP:				result = WM_HELP (wParam, lParam); break;
+		case OS.WM_HSCROLL:				result = WM_HSCROLL (wParam, lParam); break;
+		case OS.WM_IME_CHAR:			result = WM_IME_CHAR (wParam, lParam); break;
+		case OS.WM_IME_COMPOSITION:		result = WM_IME_COMPOSITION (wParam, lParam); break;
+		case OS.WM_IME_COMPOSITION_START:	result = WM_IME_COMPOSITION_START (wParam, lParam); break;
+		case OS.WM_IME_ENDCOMPOSITION:	result = WM_IME_ENDCOMPOSITION (wParam, lParam); break;
+		case OS.WM_INITMENUPOPUP:		result = WM_INITMENUPOPUP (wParam, lParam); break;
+		case OS.WM_INPUTLANGCHANGE:		result = WM_INPUTLANGCHANGE (wParam, lParam); break;
+		case OS.WM_HOTKEY:				result = WM_HOTKEY (wParam, lParam); break;		
+		case OS.WM_KEYDOWN:				result = WM_KEYDOWN (wParam, lParam); break;
+		case OS.WM_KEYUP:				result = WM_KEYUP (wParam, lParam); break;
+		case OS.WM_KILLFOCUS:			result = WM_KILLFOCUS (wParam, lParam); break;
+		case OS.WM_LBUTTONDBLCLK:		result = WM_LBUTTONDBLCLK (wParam, lParam); break;
+		case OS.WM_LBUTTONDOWN:			result = WM_LBUTTONDOWN (wParam, lParam); break;
+		case OS.WM_LBUTTONUP:			result = WM_LBUTTONUP (wParam, lParam); break;
+		case OS.WM_MBUTTONDBLCLK:		result = WM_MBUTTONDBLCLK (wParam, lParam); break;
+		case OS.WM_MBUTTONDOWN:			result = WM_MBUTTONDOWN (wParam, lParam); break;
+		case OS.WM_MBUTTONUP:			result = WM_MBUTTONUP (wParam, lParam); break;
+		case OS.WM_MEASUREITEM:			result = WM_MEASUREITEM (wParam, lParam); break;
+		case OS.WM_MENUCHAR:			result = WM_MENUCHAR (wParam, lParam); break;
+		case OS.WM_MENUSELECT:			result = WM_MENUSELECT (wParam, lParam); break;
+		case OS.WM_MOUSEACTIVATE:		result = WM_MOUSEACTIVATE (wParam, lParam); break;
+		case OS.WM_MOUSEHOVER:			result = WM_MOUSEHOVER (wParam, lParam); break;
+		case OS.WM_MOUSELEAVE:			result = WM_MOUSELEAVE (wParam, lParam); break;
+		case OS.WM_MOUSEMOVE:			result = WM_MOUSEMOVE (wParam, lParam); break;
+		case OS.WM_MOUSEWHEEL:			result = WM_MOUSEWHEEL (wParam, lParam); break;
+		case OS.WM_MOVE:				result = WM_MOVE (wParam, lParam); break;
+		case OS.WM_NCACTIVATE:			result = WM_NCACTIVATE (wParam, lParam); break;
+		case OS.WM_NCCALCSIZE:			result = WM_NCCALCSIZE (wParam, lParam); break;
+		case OS.WM_NCHITTEST:			result = WM_NCHITTEST (wParam, lParam); break;
+		case OS.WM_NCLBUTTONDOWN:		result = WM_NCLBUTTONDOWN (wParam, lParam); break;
+		case OS.WM_NCPAINT:				result = WM_NCPAINT (wParam, lParam); break;
+		case OS.WM_NOTIFY:				result = WM_NOTIFY (wParam, lParam); break;
+		case OS.WM_PAINT:				result = WM_PAINT (wParam, lParam); break;
+		case OS.WM_PALETTECHANGED:		result = WM_PALETTECHANGED (wParam, lParam); break;
+		case OS.WM_PARENTNOTIFY:		result = WM_PARENTNOTIFY (wParam, lParam); break;
+		case OS.WM_PASTE:				result = WM_PASTE (wParam, lParam); break;
+		case OS.WM_PRINT:				result = WM_PRINT (wParam, lParam); break;
+		case OS.WM_PRINTCLIENT:			result = WM_PRINTCLIENT (wParam, lParam); break;
+		case OS.WM_QUERYENDSESSION:		result = WM_QUERYENDSESSION (wParam, lParam); break;
+		case OS.WM_QUERYNEWPALETTE:		result = WM_QUERYNEWPALETTE (wParam, lParam); break;
+		case OS.WM_QUERYOPEN:			result = WM_QUERYOPEN (wParam, lParam); break;
+		case OS.WM_RBUTTONDBLCLK:		result = WM_RBUTTONDBLCLK (wParam, lParam); break;
+		case OS.WM_RBUTTONDOWN:			result = WM_RBUTTONDOWN (wParam, lParam); break;
+		case OS.WM_RBUTTONUP:			result = WM_RBUTTONUP (wParam, lParam); break;
+		case OS.WM_SETCURSOR:			result = WM_SETCURSOR (wParam, lParam); break;
+		case OS.WM_SETFOCUS:			result = WM_SETFOCUS (wParam, lParam); break;
+		case OS.WM_SETFONT:				result = WM_SETFONT (wParam, lParam); break;
+		case OS.WM_SETTINGCHANGE:		result = WM_SETTINGCHANGE (wParam, lParam); break;
+		case OS.WM_SETREDRAW:			result = WM_SETREDRAW (wParam, lParam); break;
+		case OS.WM_SHOWWINDOW:			result = WM_SHOWWINDOW (wParam, lParam); break;
+		case OS.WM_SIZE:				result = WM_SIZE (wParam, lParam); break;
+		case OS.WM_SYSCHAR:				result = WM_SYSCHAR (wParam, lParam); break;
+		case OS.WM_SYSCOLORCHANGE:		result = WM_SYSCOLORCHANGE (wParam, lParam); break;
+		case OS.WM_SYSCOMMAND:			result = WM_SYSCOMMAND (wParam, lParam); break;
+		case OS.WM_SYSKEYDOWN:			result = WM_SYSKEYDOWN (wParam, lParam); break;
+		case OS.WM_SYSKEYUP:			result = WM_SYSKEYUP (wParam, lParam); break;
+		case OS.WM_TIMER:				result = WM_TIMER (wParam, lParam); break;
+		case OS.WM_UNDO:				result = WM_UNDO (wParam, lParam); break;
+		case OS.WM_UPDATEUISTATE:		result = WM_UPDATEUISTATE (wParam, lParam); break;
+		case OS.WM_VSCROLL:				result = WM_VSCROLL (wParam, lParam); break;
+		case OS.WM_WINDOWPOSCHANGED:	result = WM_WINDOWPOSCHANGED (wParam, lParam); break;
+		case OS.WM_WINDOWPOSCHANGING:	result = WM_WINDOWPOSCHANGING (wParam, lParam); break;
+		case OS.WM_XBUTTONDBLCLK:		result = WM_XBUTTONDBLCLK (wParam, lParam); break;
+		case OS.WM_XBUTTONDOWN:			result = WM_XBUTTONDOWN (wParam, lParam); break;
+		case OS.WM_XBUTTONUP:			result = WM_XBUTTONUP (wParam, lParam); break;
+	}
+	if (result != null) return result.value;
+	return callWindowProc (hwnd, msg, wParam, lParam);
+}
+
+LRESULT WM_ACTIVATE (int /*long*/ wParam, int /*long*/ lParam) {
+	return null;
+}
+
+LRESULT WM_CAPTURECHANGED (int /*long*/ wParam, int /*long*/ lParam) {
+	return wmCaptureChanged (handle, wParam, lParam);
+}
+
+LRESULT WM_CHANGEUISTATE (int /*long*/ wParam, int /*long*/ lParam) {
+	if ((state & IGNORE_WM_CHANGEUISTATE) != 0) return LRESULT.ZERO;
+	return null;
+}
+
+LRESULT WM_CHAR (int /*long*/ wParam, int /*long*/ lParam) {
+	return wmChar (handle, wParam, lParam);
+}
+
+LRESULT WM_CLEAR (int /*long*/ wParam, int /*long*/ lParam) {
+	return null;
+}
+
+LRESULT WM_CLOSE (int /*long*/ wParam, int /*long*/ lParam) {
+	return null;
+}
+
+LRESULT WM_COMMAND (int /*long*/ wParam, int /*long*/ lParam) {
+	/*
+	* When the WM_COMMAND message is sent from a
+	* menu, the HWND parameter in LPARAM is zero.
+	*/
+	if (lParam == 0) {
+		Decorations shell = menuShell ();
+		if (shell.isEnabled ()) {
+			int id = OS.LOWORD (wParam);
+			MenuItem item = display.getMenuItem (id);
+			if (item != null && item.isEnabled ()) {
+				return item.wmCommandChild (wParam, lParam);
+			}
+		}
+		return null;
+	}
+	Control control = display.getControl (lParam);
+	if (control == null) return null;
+	return control.wmCommandChild (wParam, lParam);
+}
+
+LRESULT WM_CONTEXTMENU (int /*long*/ wParam, int /*long*/ lParam) {
+	return wmContextMenu (handle, wParam, lParam);
+}
+
+LRESULT WM_CTLCOLOR (int /*long*/ wParam, int /*long*/ lParam) {
+	int /*long*/ hPalette = display.hPalette;
+	if (hPalette != 0) {
+		OS.SelectPalette (wParam, hPalette, false);
+		OS.RealizePalette (wParam);
+	}
+	Control control = display.getControl (lParam);
+	if (control == null) return null;
+	return control.wmColorChild (wParam, lParam);
+}
+
+LRESULT WM_CUT (int /*long*/ wParam, int /*long*/ lParam) {
+	return null;
+}
+
+LRESULT WM_DESTROY (int /*long*/ wParam, int /*long*/ lParam) {
+	return null;
+}
+
+LRESULT WM_DRAWITEM (int /*long*/ wParam, int /*long*/ lParam) {
+	DRAWITEMSTRUCT struct = new DRAWITEMSTRUCT ();
+	OS.MoveMemory (struct, lParam, DRAWITEMSTRUCT.sizeof);
+	if (struct.CtlType == OS.ODT_MENU) {
+		MenuItem item = display.getMenuItem (struct.itemID);
+		if (item == null) return null;
+		return item.wmDrawChild (wParam, lParam);
+	}
+	Control control = display.getControl (struct.hwndItem);
+	if (control == null) return null;
+	return control.wmDrawChild (wParam, lParam);
+}
+
+LRESULT WM_ENDSESSION (int /*long*/ wParam, int /*long*/ lParam) {
+	return null;
+}
+
+LRESULT WM_ENTERIDLE (int /*long*/ wParam, int /*long*/ lParam) {
+	return null;
+}
+
+LRESULT WM_ERASEBKGND (int /*long*/ wParam, int /*long*/ lParam) {
+	if ((state & DRAW_BACKGROUND) != 0) {
+		if (findImageControl () != null) return LRESULT.ONE;
+	}
+	if ((state & THEME_BACKGROUND) != 0) {
+		if (OS.COMCTL32_MAJOR >= 6 && OS.IsAppThemed ()) {
+			if (findThemeControl () != null) return LRESULT.ONE;
+		}
+	}
+	return null;
+}
+
+LRESULT WM_GETDLGCODE (int /*long*/ wParam, int /*long*/ lParam) {
+	return null;
+}
+
+LRESULT WM_GETFONT (int /*long*/ wParam, int /*long*/ lParam) {
+	return null;
+}
+
+LRESULT WM_GETOBJECT (int /*long*/ wParam, int /*long*/ lParam) {
+	if (accessible != null) {
+		int /*long*/ result = accessible.internal_WM_GETOBJECT (wParam, lParam);
+		if (result != 0) return new LRESULT (result);
+	}
+	return null;
+}
+
+LRESULT WM_GETMINMAXINFO (int /*long*/ wParam, int /*long*/ lParam) {
+	return null;
+}
+
+LRESULT WM_HOTKEY (int /*long*/ wParam, int /*long*/ lParam) {
+	return null;
+}
+
+LRESULT WM_HELP (int /*long*/ wParam, int /*long*/ lParam) {
+	if (OS.IsWinCE) return null;
+	HELPINFO lphi = new HELPINFO ();
+	OS.MoveMemory (lphi, lParam, HELPINFO.sizeof);
+	Decorations shell = menuShell ();
+	if (!shell.isEnabled ()) return null;
+	if (lphi.iContextType == OS.HELPINFO_MENUITEM) {
+		MenuItem item = display.getMenuItem (lphi.iCtrlId);
+		if (item != null && item.isEnabled ()) {
+			Widget widget = null;
+			if (item.hooks (SWT.Help)) {
+				widget = item;
+			} else {
+				Menu menu = item.parent;
+				if (menu.hooks (SWT.Help)) widget = menu;
+			}
+			if (widget != null) {
+				int /*long*/ hwndShell = shell.handle;
+				OS.SendMessage (hwndShell, OS.WM_CANCELMODE, 0, 0);
+				widget.postEvent (SWT.Help);
+				return LRESULT.ONE;
+			}
+		}
+		return null;
+	}
+	if (hooks (SWT.Help)) {
+		postEvent (SWT.Help);
+		return LRESULT.ONE;
+	}
+	return null;
+}
+
+LRESULT WM_HSCROLL (int /*long*/ wParam, int /*long*/ lParam) {
+	Control control = display.getControl (lParam);
+	if (control == null) return null;
+	return control.wmScrollChild (wParam, lParam);
+}
+
+LRESULT WM_IME_CHAR (int /*long*/ wParam, int /*long*/ lParam) {
+	return wmIMEChar (handle, wParam, lParam);
+}
+
+LRESULT WM_IME_COMPOSITION (int /*long*/ wParam, int /*long*/ lParam) {
+	return null;
+}
+
+LRESULT WM_IME_COMPOSITION_START (int /*long*/ wParam, int /*long*/ lParam) {
+	return null;
+}
+
+LRESULT WM_IME_ENDCOMPOSITION (int /*long*/ wParam, int /*long*/ lParam) {
+	return null;
+}
+
+LRESULT WM_INITMENUPOPUP (int /*long*/ wParam, int /*long*/ lParam) {
+	
+	/* Ignore WM_INITMENUPOPUP for an accelerator */
+	if (display.accelKeyHit) return null;
+
+	/*
+	* If the high order word of LPARAM is non-zero,
+	* the menu is the system menu and we can ignore
+	* WPARAM.  Otherwise, use WPARAM to find the menu.
+	*/
+	Shell shell = getShell ();
+	Menu oldMenu = shell.activeMenu, newMenu = null;
+	if (OS.HIWORD (lParam) == 0) {
+		newMenu = menuShell ().findMenu (wParam);
+		if (newMenu != null) newMenu.update ();
+	}	
+	Menu menu = newMenu;
+	while (menu != null && menu != oldMenu) {
+		menu = menu.getParentMenu ();
+	}
+	if (menu == null) {
+		menu = shell.activeMenu;
+		while (menu != null) {
+			/*
+			* It is possible (but unlikely), that application
+			* code could have disposed the widget in the hide
+			* event.  If this happens, stop searching up the
+			* ancestor list because there is no longer a link
+			* to follow.
+			*/
+			menu.sendEvent (SWT.Hide);
+			if (menu.isDisposed ()) break;
+			menu = menu.getParentMenu ();
+			Menu ancestor = newMenu;
+			while (ancestor != null && ancestor != menu) {
+				ancestor = ancestor.getParentMenu ();
+			}
+			if (ancestor != null) break;
+		}
+	}
+	
+	/*
+	* The shell and the new menu may be disposed because of
+	* sending the hide event to the ancestor menus but setting
+	* a field to null in a disposed shell is not harmful.
+	*/
+	if (newMenu != null && newMenu.isDisposed ()) newMenu = null;
+	shell.activeMenu = newMenu;
+	
+	/* Send the show event */
+	if (newMenu != null && newMenu != oldMenu) {
+		newMenu.sendEvent (SWT.Show);
+		// widget could be disposed at this point
+	}
+	return null;
+}
+
+LRESULT WM_INPUTLANGCHANGE (int /*long*/ wParam, int /*long*/ lParam) {
+	return null;
+}
+
+LRESULT WM_KEYDOWN (int /*long*/ wParam, int /*long*/ lParam) {
+	return wmKeyDown (handle, wParam, lParam);
+}
+
+LRESULT WM_KEYUP (int /*long*/ wParam, int /*long*/ lParam) {
+	return wmKeyUp (handle, wParam, lParam);
+}
+
+LRESULT WM_KILLFOCUS (int /*long*/ wParam, int /*long*/ lParam) {
+	return wmKillFocus (handle, wParam, lParam);
+}
+
+LRESULT WM_LBUTTONDBLCLK (int /*long*/ wParam, int /*long*/ lParam) {
+	return wmLButtonDblClk (handle, wParam, lParam);
+}
+
+LRESULT WM_LBUTTONDOWN (int /*long*/ wParam, int /*long*/ lParam) {
+	return wmLButtonDown (handle, wParam, lParam);
+}
+
+LRESULT WM_LBUTTONUP (int /*long*/ wParam, int /*long*/ lParam) {
+	return wmLButtonUp (handle, wParam, lParam);
+}
+
+LRESULT WM_MBUTTONDBLCLK (int /*long*/ wParam, int /*long*/ lParam) {
+	return wmMButtonDblClk (handle, wParam, lParam);
+}
+
+LRESULT WM_MBUTTONDOWN (int /*long*/ wParam, int /*long*/ lParam) {
+	return wmMButtonDown (handle, wParam, lParam);
+}
+
+LRESULT WM_MBUTTONUP (int /*long*/ wParam, int /*long*/ lParam) {
+	return wmMButtonUp (handle, wParam, lParam);
+}
+
+LRESULT WM_MEASUREITEM (int /*long*/ wParam, int /*long*/ lParam) {
+	MEASUREITEMSTRUCT struct = new MEASUREITEMSTRUCT ();
+	OS.MoveMemory (struct, lParam, MEASUREITEMSTRUCT.sizeof);
+	if (struct.CtlType == OS.ODT_MENU) {
+		MenuItem item = display.getMenuItem (struct.itemID);
+		if (item == null) return null;
+		return item.wmMeasureChild (wParam, lParam);
+	}
+	int /*long*/ hwnd = OS.GetDlgItem (handle, struct.CtlID);
+	Control control = display.getControl (hwnd);
+	if (control == null) return null;
+	return control.wmMeasureChild (wParam, lParam);
+}
+
+LRESULT WM_MENUCHAR (int /*long*/ wParam, int /*long*/ lParam) {
+	/*
+	* Feature in Windows.  When the user types Alt+<key>
+	* and <key> does not match a mnemonic in the System
+	* menu or the menu bar, Windows beeps.  This beep is
+	* unexpected and unwanted by applications that look
+	* for Alt+<key>.  The fix is to detect the case and
+	* stop Windows from beeping by closing the menu.
+	*/
+	int type = OS.HIWORD (wParam);
+	if (type == 0 || type == OS.MF_SYSMENU) {
+		display.mnemonicKeyHit = false;
+		return new LRESULT (OS.MAKELRESULT (0, OS.MNC_CLOSE));
+	}
+	return null;
+}
+
+LRESULT WM_MENUSELECT (int /*long*/ wParam, int /*long*/ lParam) {
+	int code = OS.HIWORD (wParam);
+	Shell shell = getShell ();
+	if (code == 0xFFFF && lParam == 0) {
+		Menu menu = shell.activeMenu;
+		while (menu != null) {
+			/*
+			* When the user cancels any menu that is not the
+			* menu bar, assume a mnemonic key was pressed to open
+			* the menu from WM_SYSCHAR.  When the menu was invoked
+			* using the mouse, this assumption is wrong but not
+			* harmful.  This variable is only used in WM_SYSCHAR
+			* and WM_SYSCHAR is only sent after the user has pressed
+			* a mnemonic.
+			*/
+			display.mnemonicKeyHit = true;
+			/*
+			* It is possible (but unlikely), that application
+			* code could have disposed the widget in the hide
+			* event.  If this happens, stop searching up the
+			* parent list because there is no longer a link
+			* to follow.
+			*/
+			menu.sendEvent (SWT.Hide);
+			if (menu.isDisposed ()) break;
+			menu = menu.getParentMenu ();
+		}
+		/*
+		* The shell may be disposed because of sending the hide
+		* event to the last active menu menu but setting a field
+		* to null in a destroyed widget is not harmful.
+		*/
+		shell.activeMenu = null;
+		return null;
+	}
+	if ((code & OS.MF_SYSMENU) != 0) return null;
+	if ((code & OS.MF_HILITE) != 0) {
+		MenuItem item = null;
+		Decorations menuShell = menuShell ();
+		if ((code & OS.MF_POPUP) != 0) {
+			int index = OS.LOWORD (wParam);
+			MENUITEMINFO info = new MENUITEMINFO ();
+			info.cbSize = MENUITEMINFO.sizeof;
+			info.fMask = OS.MIIM_SUBMENU;
+			if (OS.GetMenuItemInfo (lParam, index, true, info)) {
+				Menu newMenu = menuShell.findMenu (info.hSubMenu);
+				if (newMenu != null) item = newMenu.cascade;
+			}	
+		} else {
+			Menu newMenu = menuShell.findMenu (lParam);
+			if (newMenu != null) {
+				int id = OS.LOWORD (wParam);
+				item = display.getMenuItem (id);
+			}
+			Menu oldMenu = shell.activeMenu;
+			if (oldMenu != null) {
+				Menu ancestor = oldMenu;
+				while (ancestor != null && ancestor != newMenu) {
+					ancestor = ancestor.getParentMenu ();
+				}
+				if (ancestor == newMenu) {
+					ancestor = oldMenu;
+					while (ancestor != newMenu) {
+						/*
+						* It is possible (but unlikely), that application
+						* code could have disposed the widget in the hide
+						* event or the item about to be armed.  If this
+						* happens, stop searching up the ancestor list
+						* because there is no longer a link to follow.
+						*/
+						ancestor.sendEvent (SWT.Hide);
+						if (ancestor.isDisposed ()) break;
+						ancestor = ancestor.getParentMenu ();
+						if (ancestor == null) break;
+					}
+					/*
+					* The shell and/or the item could be disposed when
+					* processing hide events from above.  If this happens,
+					* ensure that the shell is not accessed and that no
+					* arm event is sent to the item.
+					*/
+					if (!shell.isDisposed ()) {
+						if (newMenu != null && newMenu.isDisposed ()) {
+							newMenu = null;
+						}
+						shell.activeMenu = newMenu;
+					}
+					if (item != null && item.isDisposed ()) item = null;
+				}
+			}
+		}
+		if (item != null) item.sendEvent (SWT.Arm);
+	}
+	return null;
+}
+
+LRESULT WM_MOUSEACTIVATE (int /*long*/ wParam, int /*long*/ lParam) {
+	return null;
+}
+
+LRESULT WM_MOUSEHOVER (int /*long*/ wParam, int /*long*/ lParam) {
+	return wmMouseHover (handle, wParam, lParam);
+}
+
+LRESULT WM_MOUSELEAVE (int /*long*/ wParam, int /*long*/ lParam) {
+	if (OS.COMCTL32_MAJOR >= 6) getShell ().fixToolTip ();
+	return wmMouseLeave (handle, wParam, lParam);
+}
+
+LRESULT WM_MOUSEMOVE (int /*long*/ wParam, int /*long*/ lParam) {
+	return wmMouseMove (handle, wParam, lParam);
+}
+
+LRESULT WM_MOUSEWHEEL (int /*long*/ wParam, int /*long*/ lParam) {
+	return wmMouseWheel (handle, wParam, lParam);
+}
+
+LRESULT WM_MOVE (int /*long*/ wParam, int /*long*/ lParam) {
+	state |= MOVE_OCCURRED;
+	if (findImageControl () != null) {
+		if (this != getShell ()) redrawChildren ();
+	} else {
+		if ((state & THEME_BACKGROUND) != 0) {
+			if (OS.COMCTL32_MAJOR >= 6 && OS.IsAppThemed ()) {
+				if (OS.IsWindowVisible (handle)) {
+					if (findThemeControl () != null) redrawChildren ();
+				}
+			}
+		}
+	}
+	if ((state & MOVE_DEFERRED) == 0) sendEvent (SWT.Move);
+	// widget could be disposed at this point
+	return null;
+}
+
+LRESULT WM_NCACTIVATE (int /*long*/ wParam, int /*long*/ lParam) {
+	return null;
+}
+
+LRESULT WM_NCCALCSIZE (int /*long*/ wParam, int /*long*/ lParam) {
+	return null;
+}
+
+LRESULT WM_NCHITTEST (int /*long*/ wParam, int /*long*/ lParam) {
+	if (!OS.IsWindowEnabled (handle)) return null;
+	if (!isActive ()) return new LRESULT (OS.HTTRANSPARENT);
+	return null;
+}
+
+LRESULT WM_NCLBUTTONDOWN (int /*long*/ wParam, int /*long*/ lParam) {
+	return null;
+}
+
+LRESULT WM_NCPAINT (int /*long*/ wParam, int /*long*/ lParam) {
+	return wmNCPaint (handle, wParam, lParam);
+}
+
+LRESULT WM_NOTIFY (int /*long*/ wParam, int /*long*/ lParam) {
+	NMHDR hdr = new NMHDR ();
+	OS.MoveMemory (hdr, lParam, NMHDR.sizeof);
+	return wmNotify (hdr, wParam, lParam);
+}
+
+LRESULT WM_PAINT (int /*long*/ wParam, int /*long*/ lParam) {
+	return wmPaint (handle, wParam, lParam);
+}
+
+LRESULT WM_PALETTECHANGED (int /*long*/ wParam, int /*long*/ lParam) {
+	return null;
+}
+
+LRESULT WM_PARENTNOTIFY (int /*long*/ wParam, int /*long*/ lParam) {
+	return null;
+}
+
+LRESULT WM_PASTE (int /*long*/ wParam, int /*long*/ lParam) {
+	return null;
+}
+
+LRESULT WM_PRINT (int /*long*/ wParam, int /*long*/ lParam) {
+	return wmPrint (handle, wParam, lParam);
+}
+
+LRESULT WM_PRINTCLIENT (int /*long*/ wParam, int /*long*/ lParam) {
+	return null;
+}
+
+LRESULT WM_QUERYENDSESSION (int /*long*/ wParam, int /*long*/ lParam) {
+	return null;
+}
+
+LRESULT WM_QUERYNEWPALETTE (int /*long*/ wParam, int /*long*/ lParam) {
+	return null;
+}
+
+LRESULT WM_QUERYOPEN (int /*long*/ wParam, int /*long*/ lParam) {
+	return null;
+}
+
+LRESULT WM_RBUTTONDBLCLK (int /*long*/ wParam, int /*long*/ lParam) {
+	return wmRButtonDblClk (handle, wParam, lParam);
+}
+
+LRESULT WM_RBUTTONDOWN (int /*long*/ wParam, int /*long*/ lParam) {
+	return wmRButtonDown (handle, wParam, lParam);
+}
+
+LRESULT WM_RBUTTONUP (int /*long*/ wParam, int /*long*/ lParam) {
+	return wmRButtonUp (handle, wParam, lParam);
+}
+
+LRESULT WM_SETCURSOR (int /*long*/ wParam, int /*long*/ lParam) {
+	int hitTest = (short) OS.LOWORD (lParam);
+ 	if (hitTest == OS.HTCLIENT) {
+		Control control = display.getControl (wParam);
+		if (control == null) return null;
+		Cursor cursor = control.findCursor ();
+		if (cursor != null) {
+			OS.SetCursor (cursor.handle);
+			return LRESULT.ONE;
+		}
+	}
+	return null;
+}
+
+LRESULT WM_SETFOCUS (int /*long*/ wParam, int /*long*/ lParam) {
+	return wmSetFocus (handle, wParam, lParam);
+}
+
+LRESULT WM_SETTINGCHANGE (int /*long*/ wParam, int /*long*/ lParam) {
+	return null;
+}
+
+LRESULT WM_SETFONT (int /*long*/ wParam, int /*long*/ lParam) {
+	return null;
+}
+
+LRESULT WM_SETREDRAW (int /*long*/ wParam, int /*long*/ lParam) {
+	return null;
+}
+
+LRESULT WM_SHOWWINDOW (int /*long*/ wParam, int /*long*/ lParam) {
+	return null;
+}
+
+LRESULT WM_SIZE (int /*long*/ wParam, int /*long*/ lParam) {
+	state |= RESIZE_OCCURRED;
+	if ((state & RESIZE_DEFERRED) == 0) sendEvent (SWT.Resize);
+	// widget could be disposed at this point
+	return null;
+}
+
+LRESULT WM_SYSCHAR (int /*long*/ wParam, int /*long*/ lParam) {
+	return wmSysChar (handle, wParam, lParam);
+}
+
+LRESULT WM_SYSCOLORCHANGE (int /*long*/ wParam, int /*long*/ lParam) {
+	return null;
+}
+
+LRESULT WM_SYSCOMMAND (int /*long*/ wParam, int /*long*/ lParam) {
+	/*
+	* Check to see if the command is a system command or
+	* a user menu item that was added to the System menu.
+	* When a user item is added to the System menu,
+	* WM_SYSCOMMAND must always return zero.
+	* 
+	* NOTE: This is undocumented.
+	*/
+	if ((wParam & 0xF000) == 0) {
+		Decorations shell = menuShell ();
+		if (shell.isEnabled ()) {
+			MenuItem item = display.getMenuItem (OS.LOWORD (wParam));
+			if (item != null) item.wmCommandChild (wParam, lParam);
+		}
+		return LRESULT.ZERO;
+	}
+
+	/* Process the System Command */
+	int cmd = (int)/*64*/wParam & 0xFFF0;
+	switch (cmd) {
+		case OS.SC_CLOSE:
+			int /*long*/ hwndShell = menuShell ().handle;
+			int bits = OS.GetWindowLong (hwndShell, OS.GWL_STYLE);
+			if ((bits & OS.WS_SYSMENU) == 0) return LRESULT.ZERO;
+			break;
+		case OS.SC_KEYMENU:
+			/*
+			* When lParam is zero, one of F10, Shift+F10, Ctrl+F10 or
+			* Ctrl+Shift+F10 was pressed.  If there is no menu bar and
+			* the focus control is interested in keystrokes, give the
+			* key to the focus control.  Normally, F10 with no menu bar
+			* moves focus to the System menu but this can be achieved
+			* using Alt+Space.  To allow the application to see F10,
+			* avoid running the default window proc.
+			* 
+			* NOTE:  When F10 is pressed, WM_SYSCOMMAND is sent to the
+			* shell, not the focus control.  This is undocumented Windows
+			* behavior.
+			*/
+			if (lParam == 0) {
+				Decorations shell = menuShell ();
+				Menu menu = shell.getMenuBar ();
+				if (menu == null) {
+					Control control = display._getFocusControl ();
+					if (control != null) {
+						if (control.hooks (SWT.KeyDown) || control.hooks (SWT.KeyUp)) {
+							display.mnemonicKeyHit = false;
+							return LRESULT.ZERO;
+						}
+					}
+				}
+			} else {
+				/*
+				* When lParam is not zero, Alt+<key> was pressed.  If the
+				* application is interested in keystrokes and there is a
+				* menu bar, check to see whether the key that was pressed
+				* matches a mnemonic on the menu bar.  Normally, Windows
+				* matches the first character of a menu item as well as
+				* matching the mnemonic character.  To allow the application
+				* to see the keystrokes in this case, avoid running the default
+				* window proc.
+				* 
+				* NOTE: When the user types Alt+Space, the System menu is
+				* activated.  In this case the application should not see
+				* the keystroke.
+				*/
+				if (hooks (SWT.KeyDown) || hooks (SWT.KeyUp)) {
+					if (lParam != ' ') {
+						Decorations shell = menuShell ();
+						Menu menu = shell.getMenuBar ();
+						if (menu != null) {
+							char key = Display.mbcsToWcs ((int)/*64*/lParam);
+							if (key != 0) {
+								key = Character.toUpperCase (key);
+								MenuItem [] items = menu.getItems ();
+								for (int i=0; i<items.length; i++) {
+									MenuItem item = items [i];
+									String text = item.getText ();
+									char mnemonic = findMnemonic (text);
+									if (text.length () > 0 && mnemonic == 0) {
+										char ch = text.charAt (0);
+										if (Character.toUpperCase (ch) == key) {
+											display.mnemonicKeyHit = false;
+											return LRESULT.ZERO;
+										}
+									}
+								}
+							}
+						} else {
+							display.mnemonicKeyHit = false;
+						}
+					}
+				}
+			}
+			// FALL THROUGH
+		case OS.SC_HSCROLL:
+		case OS.SC_VSCROLL:
+			/*
+			* Do not allow keyboard traversal of the menu bar
+			* or scrolling when the shell is not enabled.
+			*/
+			Decorations shell = menuShell ();
+			if (!shell.isEnabled () || !shell.isActive ()) {
+				return LRESULT.ZERO;
+			}
+			break;
+		case OS.SC_MINIMIZE:
+			/* Save the focus widget when the shell is minimized */
+			menuShell ().saveFocus ();
+			break;
+	}
+	return null;
+}
+
+LRESULT WM_SYSKEYDOWN (int /*long*/ wParam, int /*long*/ lParam) {
+	return wmSysKeyDown (handle, wParam, lParam);
+}
+
+LRESULT WM_SYSKEYUP (int /*long*/ wParam, int /*long*/ lParam) {
+	return wmSysKeyUp (handle, wParam, lParam);
+}
+
+LRESULT WM_TIMER (int /*long*/ wParam, int /*long*/ lParam) {
+	return null;
+}
+
+LRESULT WM_UNDO (int /*long*/ wParam, int /*long*/ lParam) {
+	return null;
+}
+
+LRESULT WM_UPDATEUISTATE (int /*long*/ wParam, int /*long*/ lParam) {
+	return null;
+}
+
+LRESULT WM_VSCROLL (int /*long*/ wParam, int /*long*/ lParam) {
+	Control control = display.getControl (lParam);
+	if (control == null) return null;
+	return control.wmScrollChild (wParam, lParam);
+}
+
+LRESULT WM_WINDOWPOSCHANGED (int /*long*/ wParam, int /*long*/ lParam) {
+	try {
+		display.resizeCount++;
+		int /*long*/ code = callWindowProc (handle, OS.WM_WINDOWPOSCHANGED, wParam, lParam);
+		return code == 0 ? LRESULT.ZERO : new LRESULT (code);
+	} finally {
+		--display.resizeCount;
+	}
+}
+
+LRESULT WM_WINDOWPOSCHANGING (int /*long*/ wParam, int /*long*/ lParam) {
+	/*
+	* Bug in Windows.  When WM_SETREDRAW is used to turn off drawing
+	* for a control and the control is moved or resized, Windows does
+	* not redraw the area where the control once was in the parent.
+	* The fix is to detect this case and redraw the area.
+	*/
+	if (!getDrawing()) {
+		Shell shell = getShell ();
+		if (shell != this) {
+			WINDOWPOS lpwp = new WINDOWPOS ();
+			OS.MoveMemory (lpwp, lParam, WINDOWPOS.sizeof);
+			if ((lpwp.flags & OS.SWP_NOMOVE) == 0 || (lpwp.flags & OS.SWP_NOSIZE) == 0) {
+				RECT rect = new RECT ();
+				OS.GetWindowRect (topHandle (), rect);
+				int width = rect.right - rect.left;
+				int height = rect.bottom - rect.top;
+				if (width != 0 && height != 0) {
+					int /*long*/ hwndParent = parent == null ? 0 : parent.handle;
+					OS.MapWindowPoints (0, hwndParent, rect, 2);
+					if (OS.IsWinCE) {
+						OS.InvalidateRect (hwndParent, rect, true);
+					} else {
+						int /*long*/ rgn1 = OS.CreateRectRgn (rect.left, rect.top, rect.right, rect.bottom);
+						int /*long*/ rgn2 = OS.CreateRectRgn (lpwp.x, lpwp.y, lpwp.x + lpwp.cx, lpwp.y + lpwp.cy);
+						OS.CombineRgn (rgn1, rgn1, rgn2, OS.RGN_DIFF);
+						int flags = OS.RDW_ERASE | OS.RDW_FRAME | OS.RDW_INVALIDATE | OS.RDW_ALLCHILDREN;
+						OS.RedrawWindow (hwndParent, null, rgn1, flags);
+						OS.DeleteObject (rgn1);
+						OS.DeleteObject (rgn2);
+					}
+				}
+			}
+		}
+	}
+	return null;
+}
+
+LRESULT WM_XBUTTONDBLCLK (int /*long*/ wParam, int /*long*/ lParam) {
+	return wmXButtonDblClk (handle, wParam, lParam);
+}
+
+LRESULT WM_XBUTTONDOWN (int /*long*/ wParam, int /*long*/ lParam) {
+	return wmXButtonDown (handle, wParam, lParam);
+}
+
+LRESULT WM_XBUTTONUP (int /*long*/ wParam, int /*long*/ lParam) {
+	return wmXButtonUp (handle, wParam, lParam);
+}
+
+LRESULT wmColorChild (int /*long*/ wParam, int /*long*/ lParam) {
+	Control control = findBackgroundControl ();
+	if (control == null) {
+		if ((state & THEME_BACKGROUND) != 0) {
+			if (OS.COMCTL32_MAJOR >= 6 && OS.IsAppThemed ()) {
+				control = findThemeControl ();
+				if (control != null) {
+					RECT rect = new RECT ();
+					OS.GetClientRect (handle, rect);
+					OS.SetTextColor (wParam, getForegroundPixel ());
+					OS.SetBkColor (wParam, getBackgroundPixel ());
+					fillThemeBackground (wParam, control, rect);
+					OS.SetBkMode (wParam, OS.TRANSPARENT);
+					return new LRESULT (OS.GetStockObject (OS.NULL_BRUSH));
+				}
+			}
+		}
+		if (foreground == -1) return null;
+	}
+	if (control == null) control = this;
+	int forePixel = getForegroundPixel ();
+	int backPixel = control.getBackgroundPixel ();
+	OS.SetTextColor (wParam, forePixel);
+	OS.SetBkColor (wParam, backPixel);
+	if (control.backgroundImage != null) {
+		RECT rect = new RECT ();
+		OS.GetClientRect (handle, rect);
+		int /*long*/ hwnd = control.handle;
+		int /*long*/ hBitmap = control.backgroundImage.handle;
+		OS.MapWindowPoints (handle, hwnd, rect, 2);
+		POINT lpPoint = new POINT ();
+		OS.GetWindowOrgEx (wParam, lpPoint);
+		OS.SetBrushOrgEx (wParam, -rect.left - lpPoint.x, -rect.top - lpPoint.y, lpPoint);
+		int /*long*/ hBrush = findBrush (hBitmap, OS.BS_PATTERN);
+		if ((state & DRAW_BACKGROUND) != 0) {
+			int /*long*/ hOldBrush = OS.SelectObject (wParam, hBrush);
+			OS.MapWindowPoints (hwnd, handle, rect, 2);
+			OS.PatBlt (wParam, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, OS.PATCOPY);
+			OS.SelectObject (wParam, hOldBrush);
+		}
+		OS.SetBkMode (wParam, OS.TRANSPARENT);
+		return new LRESULT (hBrush);
+	}
+	int /*long*/ hBrush = findBrush (backPixel, OS.BS_SOLID);
+	if ((state & DRAW_BACKGROUND) != 0) {
+		RECT rect = new RECT ();
+		OS.GetClientRect (handle, rect);
+		int /*long*/ hOldBrush = OS.SelectObject (wParam, hBrush);
+		OS.PatBlt (wParam, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, OS.PATCOPY);
+		OS.SelectObject (wParam, hOldBrush);
+	}
+	return new LRESULT (hBrush);
+}
+
+LRESULT wmCommandChild (int /*long*/ wParam, int /*long*/ lParam) {
+	return null;
+}
+
+LRESULT wmDrawChild (int /*long*/ wParam, int /*long*/ lParam) {
+	return null;
+}
+
+LRESULT wmMeasureChild (int /*long*/ wParam, int /*long*/ lParam) {
+	return null;
+}
+
+LRESULT wmNotify (NMHDR hdr, int /*long*/ wParam, int /*long*/ lParam) {
+	Control control = display.getControl (hdr.hwndFrom);
+	if (control == null) return null;
+	return control.wmNotifyChild (hdr, wParam, lParam);
+}
+
+LRESULT wmNotifyChild (NMHDR hdr, int /*long*/ wParam, int /*long*/ lParam) {
+	return null;
+}
+
+LRESULT wmScrollChild (int /*long*/ wParam, int /*long*/ lParam) {
+	return null;
+}
+
+}
+