DrawFocusMark
virtual void DrawFocusMark();
virtual void DrawFocusMark(BView* owner, BRect frame);
BTab::DrawFocusMark(owner, frame);
virtual void DrawFocusMark(BView* owner, BRect frame);
virtual void DrawFocusMark(BView* owner, BRect frame);
DrawFocusMark();
TabAt(fFocus)->DrawFocusMark(this, TabFrame(fFocus));
virtual void DrawFocusMark();