InSendMessage (Windows CE 5.0)
This function determines whether the current window procedure is processing a message that was sent from another thread (in the same process or a different process) by a call to the SendMessage function.
BOOL InSendMessage(VOID);
Return Values
If the window procedure is processing a message sent to it from another thread using the SendMessage function, the return value is nonzero.
If the window procedure is not processing a message sent to it from another thread using the SendMessage function, the return value is zero.
Requirements
OS Versions: Windows CE 1.0 and later.
Header: Winuser.h.
Link Library: Coredll.lib.
See Also
Message Queue Functions | SendMessage
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