WM_TIMER

The WM_TIMER 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.

WM_TIMER

wTimerID = wParam; // timer identifier

tmprc = (TIMERPROC *) lParam; // address of timer callback

Parameters

wTimerID

Value of wParam. Specifies the timer identifier.

tmprc

Value of lParam. Points to an application-defined callback function that was passed to the SetTimer function when the timer was installed. If the tmprc parameter is not NULL, Windows passes the WM_TIMER message to the specified callback function rather than posting the message to the thread's message queue.

Return Values

An application should return zero if it processes this message.

Remarks

The DispatchMessage function forwards this message when no other messages are in the thread's message queue.

See Also

DispatchMessage, SetTimer, TimerProc

Software for developers

Delphi Components
.Net Components
Software for Android Developers

More information resources

MegaDetailed.Net
Unix Manual Pages
Delphi Examples

Databases for Amazon shops developers

Amazon Categories Database
Browse Nodes Database