vc高精度定时器timeSetEvent使用例程-routine use of high-precision timer timeSetEvent

用VC++编程，比较三种定时器——SetTimer、timeSetEvent、、QueryPerformanceCounter、GetTickCount的在精度上的差别-Using VC++ programming, comparing three types of timers- SetTimer, timeSetEvent,, QueryPerformanceCounter, GetTickCount the difference in accuracy