///
override protected bool IsOffscreenCore()
{
if (!Owner.IsVisible)
{
return(true);
}
Rect boundingRect = RibbonHelper.CalculateVisibleBoundingRect(Owner);
return(boundingRect == Rect.Empty || boundingRect.Height == 0 || boundingRect.Width == 0);
}
protected override bool IsOffscreenCore()
{
if (!Owner.IsVisible)
{
return(true);
}
// Borrowed from fix OffScreen fix in 4.0
Rect boundingRect = RibbonHelper.CalculateVisibleBoundingRect(Owner);
return(boundingRect == Rect.Empty || boundingRect.Height == 0 || boundingRect.Width == 0);
}