SetClippingRegion( x , y , w , h ) ;
SetBackground(wxBrush(window->GetBackgroundColour(), wxSOLID));
SetFont(window->GetFont() ) ;
SetClippingRegion( x , y , w , h ) ;
SetBackground(wxBrush(window->GetBackgroundColour(), wxSOLID));
SetFont(window->GetFont() ) ;