HwndHost.OnKeyUp Method (KeyEventArgs)
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.
Available since 3.0