WindowsApi:WM KEYUP

Posted to the window with the keyboard focus when a nonsystem key is released. A nonsystem key is a key that is pressed when the ALT key is not pressed, or a keyboard key that is pressed when a window has the keyboard focus.

See also

• Windows Api
• WindowsApi:Virtual-Key Codes

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• [http://msdn.microsoft.com/en-us/library/windows/desktop/ms646281(v=vs.85.aspx MSDN: WM_KEYUP message]