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From: dweisman@umiami.ir.miami.edu (Ordinary Man)
Newsgroups: comp.sys.mac.programmer
Subject: Re: Weird Update with System 7
Message-ID: <1991Jun15.234140.10650@umiami.ir.miami.edu>
Date: 16 Jun 91 03:41:39 GMT
References: <morris.677036713@mrcnext.cso.uiuc.edu>
Organization: Univ of Miami IR
Lines: 25

In article <morris.677036713@mrcnext.cso.uiuc.edu>, morris@mrcnext.cso.uiuc.edu (Brad Morris) writes:
> Hi!  I am writing a game with a button and I use:
> 	SetCTitle(gButtonHandle,s);
> This seemed to work fine under system 6, this procedure would set the
> title and redraw the button.  In System 7, however, I get an
> unexplainded update window event which seems to just redraw the
> control whenever I call SetCTitle.  Did they change how the control
> manager has handled this or do I have a really well hidden bug somewhere?
> Thanks.

Well, I'm not sure what might cause this off-hand, but here's how I deal with 
unexplained/unexpected update events. Just save the current port, set it to the 
window in question, call ValidRect(theWindow^^.portRect) and then set the port 
back. That will make sure the window doesn't get updated.

Dan

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