HANDLE htimer;
htimer=CreateWaitableTimer(NULL,TRUE,"Athtime");
LARGE_INTEGER pDueTime1;
const LARGE_INTEGER *pDueTime,
BOOL i;
LARGE_INTEGER 
i=SetWaitableTimer(
  htimer,                          // handle to a timer object
   pDueTime,          // when timer will become signaled
  1,                           // periodic timer interval
 TimerAPCProc,  //completion routine
LPVOID(hTimer),        // data for completion routine
TRUE,                           // flag for resume state
);
VOID CALLBACK TimerAPCProc(
  LPVOID lpArgToCompletionRoutine   // data value
  DWORD dwTimerLowValue             // timer low value
  DWORD dwTimerHighValue            // timer high value
)
{
//CancelWaitableTimer(
//  HANDLE hTimer  // handle to a timer object
//);
CloseHandle(
  htimer  // handle to object to close
);
 
}