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From: russotto@eng.umd.edu (Matthew T. Russotto)
Newsgroups: comp.sys.mac.programmer
Subject: Re: QuickDraw question
Keywords: QuickDraw EraseRect
Message-ID: <1990Aug17.141538.7863@eng.umd.edu>
Date: 17 Aug 90 14:15:38 GMT
References: <3462@dciem.dciem.dnd.ca>
Sender: news@eng.umd.edu (The News System)
Organization: College of Engineering, Maryversity of Uniland, College Park
Lines: 14

In article <3462@dciem.dciem.dnd.ca> juana@dciem.dciem.dnd.ca (Juana Chang) writes:
>
>
>EraseRect( &(window->portRect) );
>
>When I execute this statement I receive an "illegal instruction" error
>message in ThinkC 4.0.

Did you do a SetPort(window) first?  One of the things that can really get
you is that opening a window does NOT set the current port to that window.

--
Matthew T. Russotto	russotto@eng.umd.edu	russotto@wam.umd.edu
][, ][+, ///, ///+, //e, //c, IIGS, //c+ --- Any questions?