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WM_TIMER (Compact 2013)

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3/28/2014

This message is posted to the installing thread's message queue or sent to the appropriate TimerProc callback function after each interval specified in the SetTimer function used to install a timer.

Syntax

WM_TIMER wTimerID = wParam; 
    tmprc = (TIMERPROC *) lParam;

Parameters

  • wTimerID
    Specifies the timer identifier.
  • tmprc
    Pointer to an application-defined callback function that was passed to the SetTimer function when the timer was installed.

Return Value

An application should return zero if it processes this message.

Remarks

The WM_TIMER message is a low-priority message. The GetMessage and PeekMessage functions retrieve this message only when no other higher-priority messages are in the thread's message queue.

Requirements

Header

winuser.h

See Also

Reference

Window Timer Messages
DispatchMessage
SetTimer
TimerProc
GetMessage
PeekMessage