Path: utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!usc!apple!Apple.COM!lsr
From: lsr@Apple.COM (Larry Rosenstein)
Newsgroups: comp.sys.mac.programmer
Subject: Re: Help me cheat!
Message-ID: <5514@internal.Apple.COM>
Date: 30 Nov 89 02:58:43 GMT
Sender: usenet@Apple.COM
Organization: Objects-R-Us,  Apple Computer, Inc.
Lines: 14
References:<UZQV1=C00UhW43Zloz@andrew.cmu.edu> <1213@radius.UUCP>

In article <1213@radius.UUCP> lemke@radius.UUCP (Steve Lemke) writes:
> windows open, I think.  Anyway, after writing all over the whole screen,
> my program does the following to update everything.
> 
>  procedure InvalScreen; { invalidates the whole screen }

I think this will only invalidate the whole screen if your application is 
frontmost.  

Larry Rosenstein, Apple Computer, Inc.
Object Specialist

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