1 files changed, 3 insertions, 0 deletions
diff --git a/Project/Constant.h b/Project/Constant.h
index 9868627..3f84b91 100644
--- a/Project/Constant.h
+++ b/Project/Constant.h
@@ -19,10 +19,13 @@ class Constant : public ControlElement
     virtual bool Intersects(wxRect2DDouble rect) const { return m_rect.Intersects(rect); }
     virtual bool ShowForm(wxWindow* parent, Element* element);
     virtual void Rotate(bool clockwise = true);
+    virtual void UpdateText() { SetValue(m_value); }
     
     virtual void SetValue(double value);
     virtual double GetValue() const { return m_value; }
     virtual void UpdatePoints();
+    
+    virtual Element* GetCopy();
 
    protected:
     double m_value = 1.0;