+ virtual void Prepend( wxWindow *window, int option = 0, int flag = 0, int border = 0 );
+ virtual void Prepend( wxSizer *sizer, int option = 0, int flag = 0, int border = 0 );
+ virtual void Prepend( int width, int height, int option = 0, int flag = 0, int border = 0 );
+
+ virtual bool Remove( wxWindow *window );
+ virtual bool Remove( wxSizer *sizer );
+ virtual bool Remove( int pos );
+