+ virtual void DoGetTextExtent(const wxString& string,
+ int *x, int *y,
+ int *descent = NULL,
+ int *externalLeading = NULL,
+ const wxFont *theFont = NULL ) const;
+
+ virtual void DoEnable( bool enable );
+#if wxUSE_MENUS
+ virtual bool DoPopupMenu( wxMenu *menu, int x, int y );
+#endif
+
+ virtual void DoFreeze();
+ virtual void DoThaw();
+