Date: Mon, 02 Sep 1996 10:00:43 +0000
From: Bill Currie <billc AT blackmagic DOT tait DOT co DOT nz>
Subject: Re: Allegro and Win95 time-slicing problem ?
To: jb3207 AT eclipse DOT co DOT uk
Cc: djgpp AT delorie DOT com
Message-id: <322AB04B.53FC@blackmagic.tait.co.nz>
Organization: Tait Electronics NZ
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References: <1996Aug29 DOT 185755 AT uctvms DOT uct DOT ac DOT za>
 <01bb95d8$5e3ab180$ba27379d AT michmarc2> <32295d89 DOT 0 AT deimos DOT eclipse DOT co DOT uk>

Jason Barstow wrote:
> 
> 
> But the same thing will occur when (if) you try to blit the offscreen buffer
> to the video buffer.  It would be usefull if you could dynamically test for
> the application being a Win95 background task and in this case *not* blit the
> offscreen buffer.
> 
> Does anyone know if there exists an easy and reliable way of doing this?
> 
> Jason.

I believe there's a windows int 2f function you can hook that gets called when the vm in question 
goes into/comes out of background mode. (Don't know it off hand, but it is listed in Ralf Brown's 
list.

Bill