virtual void DoGetSize(int *width, int *height) const;
virtual void DoGetPosition(int *x, int *y) const;
virtual void DoGetSize(int *width, int *height) const;
virtual void DoGetPosition(int *x, int *y) const;
virtual void DoSetClientSize(int width, int height);
// a plug in for MDI frame classes which need to do something special when
virtual void DoSetClientSize(int width, int height);
// a plug in for MDI frame classes which need to do something special when