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From: bin@primate.wisc.edu (Brain in Neutral)
Newsgroups: comp.sys.mac.programmer
Subject: Re: Thanks for the Help
Message-ID: <3771@uakari.primate.wisc.edu>
Date: 17 Jan 91 16:50:36 GMT
References: <D13^*Y%@rpi.edu>
Sender: bin@primate.wisc.edu
Reply-To: bin@primate.wisc.edu
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From article <D13^*Y%@rpi.edu>, by wildfire@aix02.aix.rpi.edu (Douglas B Rusch):
> I seem to be having a great deal of difficulty getting the dialog manager
> to draw my userItem. It seems that when I attempt to return from the 
> function in which the drawing occurs, that it is returning to some unknown
> memory location (somewhere not in my program atleast) and crashing. I have
> been writing this on a Mac IIci with Think C 4.0.

I don't know if this is your problem, but one quick 'n' easy way to
crash a program is to forget to declare routines that are passed
as callbacks to ToolBox routines as *pascal* routines.

If your function is
	DrawItem (...)
instead of
	pascal DrawItem(...)
you'll have some difficulties.
--
Paul DuBois
dubois@primate.wisc.edu