HANDLE hTimer; LARGE_INTEGER li; // Create an auto-reset timer. hTimer = CreateWaitableTimer(NULL, FALSE, NULL); // Set the timer to go off 5 seconds after calling SetWaitableTimer. // Timer unit is nanoseconds. const int nTimerUnitsPerSecond = ; // Negate the time so that SetWaitableTimer knows we // want relative time instead of absolute time. . To create a waitable timer, you simply call CreateWaitableTimer: As with events, the bManualReset parameter indicates a manual-reset or auto-reset timer. When a manual-reset timer is signaled, Get Windows® via C/C++, Fifth Edition now with O’Reilly online learning. · This is because you created so called 'manual-reset' timer. The state. of such timer remains signaled until SetWaitableTimer is called to. establish a new due time. To fix it, pass FALSE as the second parameter to CreateWaitableTimer: timer .
If this parameter is TRUE, the timer is a manual-reset notification timer. Otherwise, the timer is a synchronization timer. lpTimerName [in, optional] The name of the timer object. The name is limited to MAX_PATH characters. Name comparison is case sensitive. If lpTimerName is NULL, the timer object is created without a name. // create the timer timerHandle = CreateWaitableTimer(NULL, FALSE, NULL); // set the timer LARGE_INTEGER lElapse; www.doorway.rurt = - ((int)elapse * ); BOOL succ = SetWaitableTimer(timerHandle, lElapse, elapse, TimerProc, this, FALSE); for (int i = 0; i < 10; i++) SleepEx(INFINITE, TRUE); CancelWaitableTimer(timerHandle); CloseHandle (timerHandle); } void CTimersDlg::WaitTimerHandler() // called every elTime milliseconds { // do what you want to do, but quickly. to an existing timer object is found, a CreateWaitableTimer operation is performed to create a new timer object. p_Periodic is set to true to create a periodic timer, set to false to create a manual reset timer. p_Period is the timer period in mSec. Remarks CWaitableTimer establishes the timer object and default properties.
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