AutomationPeer.IsOffscreen Method ()
Gets a value that indicates whether an element is off the screen.
Assembly: PresentationCore (in PresentationCore.dll)
This property does not indicate whether the element is visible. In some circumstances, an element is on the screen but is still not visible. For example, if the element is on the screen but obscured by other elements, it might not be visible. In this case, the method returns false.
Available since 3.0
Available since 2.0
Windows Phone Silverlight
Available since 7.0