Re: multimedia timer

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#6969

From: Michel Leunen
Date: Tue, 29 Mar 2005 16:31

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Dominique MONTIN wrote:

> I wish to use a timer that create periodic events at the frequency up to 1
> kHz. I don't know if it is possible. It seems that the timer available among
> the component, with BCB, can just reach 18.2 Hz.
> But I have seen that the resolution of the multimedia timer can reach 1 ms.
> That let me some hope.
> Does anybody has a simple example of using the multimedia timer ?

Yes. Either use QueryPerformanceFrequency() and 
QueryPerformanceCounter() (see 
http://www.leunen.com/cbuilder/perfcount.html for a sample) or use a 
multimedia counter. I have a component that uses it. It comes with the 
source so you can see how it works (TMMTimer 
http://www.leunen.com/cbuilder/comps.html)

Michel
-- 
----------------------------------------
Michel Leunen
mailto: see my homepage.
C++Builder, BCC5.5.1 Web site:
http://www.leunen.com/
----------------------------------------

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