+ // update the sizes of stretchable spacers to consume all extra space we
+ // have
+ void UpdateStretchableSpacersSize();
+
+ // redraw the background of the given part of the window (or entire window
+ // if the parameter is NULL) to erase separator drawn in it
+ //
+ // return true if the background was erased using DrawThemeBackground()
+ bool MSWEraseRect(wxDC& dc, const wxRect *rectItem = NULL);
+
+