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From: audit038@spacm1.spac.spc.com
Newsgroups: comp.sys.mac.programmer
Subject: Window Zooming is a mystery to me
Message-ID: <2302.27c24a1e@spacm1.spac.spc.com>
Date: 20 Feb 91 10:06:22 GMT
Organization: Security Pacific Automation Co., LA, CA
Lines: 19

I'm trying to implement zoomable windows in my application, but I don't 
understand the magic.  It works but I don't understand why.  When I use
Think C's debugger to look at the window record I see the spareFlag set to
1 ( I have a zoomable window ) but I can't see the two rectangles that 
dataHandle suposedly references.  I dereference the handle twice and it points
to 0 not a structure of two rectangles.  If I wanted to change the userState
rectangle, how do I refer to it in C?

In the CTESample from DTS they have a zoomable window with no means of support.
I see no references to the rectangles, and yet the window just zooms all over
the place.  Does the SizeWindow() routine change the userState?

I hate to have this work without knowing what's going on.  After looking at
source code, technical notes, and IM I'm at a loss, can anyone throw some
light on the subject?


-- 
John Coffman