DrawSplitter
virtual void DrawSplitter(BView* view, BRect& rect,
virtual void DrawSplitter(BRect frame,
virtual void DrawSplitter(BView* view, BRect& rect,
virtual void DrawSplitter(BView* view, BRect& rect,
virtual void DrawSplitter(BView* view, BRect& rect, const BRect& updateRect,
DrawSplitter(frame, updateRect, Orientation(),
be_control_look->DrawSplitter(view, frame, updateRect, view->ViewColor(),