+ wxScreenDCImpl(wxScreenDC *owner);
+ wxScreenDCImpl(wxScreenDC *owner, wxDC *dc ); // Create compatible DC
+ virtual ~wxScreenDCImpl(void);
+
+ // Compatibility with X's requirements for drawing on top of all windows
+ static bool StartDrawingOnTop(wxWindow* WXUNUSED(window)) { return true; }
+ static bool StartDrawingOnTop(wxRect* WXUNUSED(rect) = NULL) { return true; }
+ static bool EndDrawingOnTop() { return true; }