This interface is not intended for public implementation. For more information, see remarks for the IInputElement interface.
Some core classes that implement IInputElement, such as UIElement, also implement an event that tracks changes to this property. However, this interface does not include such an event as part of its contract.
Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)