Re: Using GetAsyncKeyState() ?!!

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#14347

From: Chris Hill
Date: Sun, 17 Aug 2003 20:37

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On Sun, 17 Aug 2003 21:21:57 +0200, Michel Corbin
<corbin.michel@libertysurf.fr> wrote:

>To know if a key is down at the moment you are calling the function,
>I think it is better to write :
>if(GetKeyState(VK_SHIFT)<0)
>{
>  ...
>}
>GetAsyncKeyState(VK_SHIFT<0) is true if the key has been down since
>the last call of the function (That is what I've understood)

No, the GetKeyState return value only changes as messages are
processed.

GetAsyncKeyState checks the state independent of message processing.
The least significant bit of the GetAsyncKeyState function return
value which is that you are describing isn't very useful in practice.

Chris Hill
Chris244@aol.com

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From: Chris244@aol.com (Chris Hill)
Newsgroups: borland.public.cppbuilder.nativeapi
Subject: Re: Using GetAsyncKeyState() ?!!
Date: Sun, 17 Aug 2003 20:37:16 GMT
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