From:	Eric Rudd <rudd AT cyberoptics DOT com>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: way to recognize if a dos box is in full screen or not
Date:	Wed, 03 Jun 1998 15:02:58 -0500
Organization:	CyberOptics
Lines:	18
Message-ID:	<3575ABF2.A76014DB@cyberoptics.com>
References:	<D1DE20405ECBD011B2AC0060974BC6EA02A9D7 AT DBSERVER>
Reply-To:	rudd AT cyberoptics DOT com
NNTP-Posting-Host:	rudd.cyberoptics.com
Mime-Version:	1.0
To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp

EFT.Eric Devolder wrote:

> I'm looking for a way to know if an application is running on full DOS
> screen or windowed DOS, within a djgpp application. Can someone help  > me?

I don't know how to tell what the window type is, but if you only want
to make sure the app is in full screen mode in order to do graphics, you
can switch from a windowed DOS box to a full screen with an interrupt. 
See Ralf Brown's interrupt list:

   http://www.ctyme.com/RBROWN.HTM

especially the function

   http://www.ctyme.com/intr/RB-4500.HTM

-Eric Rudd
ruddd AT cyberoptics DOT com

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