From:	"R. Glashan" <ross AT botwars DOT net>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: Scroll Wheels in Dos.
Date:	Mon, 26 Feb 2001 16:21:17 +0100
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To:	djgpp AT delorie DOT com
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Now I am really confused.

I have found that my mouse wheel when rotated up, getch() returns145, and
when rotated down, getch() returns 141.

What are these characters, and why?

Ross

Eli Zaretskii <eliz AT is DOT elta DOT co DOT il> wrote in message
news:Pine DOT SUN DOT 3 DOT 91 DOT 1010226084339 DOT 21073E-100000 AT is...
>
> On Sun, 25 Feb 2001, florianx wrote:
>
> > FreeDOS mouse driver CTMOUSE at http://www.vein.hu/~nagyd/
> >
> > "Added support for serial Microsoft Whell/Intellimouse protocol, wheel
> > interpreted as third button "
>
> Does it also report the wheel events as such?  The wheel serves both
> as the third button, when you click it, and as a wheel, when you
> rotate it.  These two must be reported differently, or else programs
> which use them will not be able to support the scrolling when you
> rotate the wheel.

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