home ‣ Accurate timers on Windows

31 Dec 2005 · Tags: win32, programming

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From this blog post on using accurate timers on Windows.

CraeteWaitableTimer API is similar to SetTimer. You can specify timeout and a callback function. It has the following advantages:

you can specify a delay
it returns a kernel handle you can wait on
it allows pasing context data pointer to a callback function
waitable timers are much more accurate as they are not calculated during idle and messages aren't collapsed
you can adjust the parameters of the timer with SetWaitableTimer and cancel it with CancelWaitableTimer..