public override bool MouseIsIn(Point m) { if (!Visible) { return(false); } bool mouseIsInTitle = TabTitle.ScreenCoordinates(TabTitle.Slot).ContainsOrIsEqual(m); if (!IsSelected) { return(mouseIsInTitle); } return(_contentContainer.ScreenCoordinates(_contentContainer.Slot).ContainsOrIsEqual(m) || mouseIsInTitle); }