Called when the hosted window receives a WM_KEYUP message.
Assembly: PresentationFramework (in PresentationFramework.dll)
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This is an override of the class handler OnKeyUp and provides the behavior of translating the Win32 message into a Windows Presentation Foundation (WPF) event, marking the event as handled whenever appropriate.
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