When overridden in a derived class, is called by IsOffscreen.
Assembly: System.Windows (in System.Windows.dll)
'Declaration Protected MustOverride Function IsOffscreenCore As Boolean
protected abstract bool IsOffscreenCore()
true if the element is not on the screen; otherwise, false.
Notes to Inheritors
The initial implementation is empty.
Supported in: 5, 4, 3
Silverlight for Windows Phone
Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0
For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.