Determines whether the specified key is released.
Assembly: PresentationCore (in PresentationCore.dll)
The following example shows how to use the method to determine the state of a specific key. The Return key is passed to the method. If the method returns true, then the background of a Button is changed.
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.