public virtual  void onSelectionResized(GuiControl control){}
public virtual  void onControlInspectPostApply(GuiControl control){}
public virtual  void onSelectionMoved(GuiControl control){}
public virtual  void onAddNewCtrl(GuiControl control){}
public virtual  void onRemoveSelected(GuiControl control){}
public virtual  void onAddSelected(GuiControl control){}
public virtual  void onRightMouseUp(GuiControl control){}
public virtual  void onControlDropped(GuiControl control, string dropPoint){}
public virtual  void onControlDragExit(GuiControl control, string dropPoint){}