祝C/C++er们2017 Hold住*.* ！
#define _WIN32_WINNT 0x0500
#include <windows.h>
#include <stdio.h>
HANDLE gDoneEvent;
VOID CALLBACK TimerRoutine(PVOID lpParam, BOOLEAN TimerOrWaitFired) {
if (lpParam == NULL) {
printf("TimerRoutine lpParam is NULL\n");
} else {
// lpParam points to the argument; in this case it is an int
printf("Timer routine called. Parameter is %d.\n", *(int*)lpParam);
}
SetEvent(gDoneEvent);
}
int main() {
HANDLE hTimer = NULL;
HANDLE hTimerQueue = NULL;
int arg = 123;
// Use an event object to track the TimerRoutine execution
gDoneEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
if (NULL == gDoneEvent) {
printf("CreateEvent failed (%d)\n", GetLastError());
return 1;
}
// Create the timer queue.
hTimerQueue = CreateTimerQueue();
if (NULL == hTimerQueue) {
printf("CreateTimerQueue failed (%d)\n", GetLastError());
return 2;
}
// Set a timer to call the timer routine in 10 seconds.
if (!CreateTimerQueueTimer( &hTimer, hTimerQueue, (WAITORTIMERCALLBACK)TimerRoutine, &arg , 10000, 0, 0)) {
printf("CreateTimerQueueTimer failed (%d)\n", GetLastError());
return 3;
}
// TODO: Do other useful work here
printf("Call timer routine in 10 seconds...\n");
// Wait for the timer-queue thread to complete using an event
// object. The thread will signal the event at that time.
if (WaitForSingleObject(gDoneEvent, INFINITE) != WAIT_OBJECT_0)
printf("WaitForSingleObject failed (%d)\n", GetLastError());
CloseHandle(gDoneEvent);
// Delete all timers in the timer queue.
if (!DeleteTimerQueue(hTimerQueue))
printf("DeleteTimerQueue failed (%d)\n", GetLastError());
return 0;
}
//Call timer routine in 10 seconds...
//Timer routine called. Parameter is 123.
//
