+ // refreshes given rectangle; unlike RefreshRect(), the argument is in
+ // window, not client, coords and unlike DoRefreshRect() and like Refresh(),
+ // does nothing if the window is hidden or frozen
+ void RefreshWindowRect(const wxRect& rect);
+
+ // add/remove overlay for this window
+ void AddOverlay(wxOverlayImpl *overlay);
+ void RemoveOverlay(wxOverlayImpl *overlay);