一個定時器模型

 

TCHAR           szError[255]; HANDLE          hTimer; __int64         qwDueTime; LARGE_INTEGER   liDueTime;  /* ResvTimer */  if ( hTimer = CreateWaitableTimer(NULL, FALSE,"recvtimeTimer" ) )            {  // Create an integer that will be used to signal the timer   // 2 seconds from now.  qwDueTime = (-2) * _SECOND;    // Copy the relative time into a LARGE_INTEGER.  liDueTime.LowPart  = (DWORD) ( qwDueTime & 0xFFFFFFFF );  liDueTime.HighPart = (LONG)  ( qwDueTime >> 32 );  if (SetWaitableTimer(hTimer,&liDueTime,60000,RecvTimerProc,NULL,FALSE))  {   TRACE("Called the RecvTimerProc to set local time ./n");   while (RunFlag)   {     SleepEx(INFINITE,/* Wait forever*/TRUE /* Put thread in an alertable state*/);   }  }  else  {   wsprintf( szError, "SetWaitableTimer failed with Error %d.", GetLastError() );   MessageBox( NULL, szError, "Error", MB_ICONEXCLAMATION );  }    CloseHandle( hTimer ); // END of timer }