WM_TIMER
A version of this page is also available for
4/8/2010
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 |
Windows Embedded CE | Windows CE 1.0 and later |
Windows Mobile | Windows Mobile Version 5.0 and later |