dc.GetTextExtent( wxT("X"), &w, &h);
dc.SetTextForeground(GetForegroundColour());
dc.SetClippingRegion(2, 2, size.x-4, size.y-4);
dc.GetTextExtent( wxT("X"), &w, &h);
dc.SetTextForeground(GetForegroundColour());
dc.SetClippingRegion(2, 2, size.x-4, size.y-4);