TimerProc

The TimerProc function is an application-defined callback function that processes WM_TIMER messages. The TIMERPROC type defines a pointer to this callback function. TimerProc is a placeholder for the application-defined function name.

VOID CALLBACK TimerProc(
  HWND hwnd,     // handle of window for timer messages
  UINT uMsg,     // WM_TIMER message
  UINT idEvent,  // timer identifier
  DWORD dwTime   // current system time
);
 

Parameters

hwnd

Handle to the window associated with the timer.

uMsg

Specifies the WM_TIMER message.

idEvent

Specifies the timer's identifier.

dwTime

Specifies the number of milliseconds that have elapsed since the system was started. This is the value returned by the GetTickCount function.

Return Values

This function does not return a value.

QuickInfo

  Windows NT: Requires version 3.1 or later.
  Windows: Requires Windows 98 or later.
  Windows CE: Requires version 1.0 or later.
  Header: Declared in winuser.h.
  Import Library: User-defined.

See Also

Timers Overview, Timer Functions, GetTickCount, KillTimer, SetTimer, WM_TIMER