Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sun-barr!olivea!apple!well!wdh
From: wdh@well.sf.ca.us (Bill Hofmann)
Newsgroups: comp.sys.mac.programmer
Subject: Re: What am I doing wrong?--modal dialog use crashes
Summary: Use SetPort
Message-ID: <24702@well.sf.ca.us>
Date: 10 May 91 17:43:44 GMT
References: <1991May7.234354.26431@agate.berkeley.edu> <13405@goofy.Apple.COM>
Organization: Flashpoint
Lines: 16

For the second time this week, if you create a window, you must call SetPort
before you use it.  Jim Reekes is wrong here, the original poster *does*
pass the address of a block of memory big enough to hold a DialogRecord, and
does all the right things to get rid of memory.  He is right to point out
the silliness of calling ShowWindow more than once (or even once, if the
DLOG indicates the window should be visible).

Some things to keep in mind:

-ShowWindow, NewWindow, GetNewWindow, NewDialog, GetNewDialog, and every
other window and dialog manager routine *does not*, repeat, *NOT* ever
call SetPort to make anything the current port, at least as you should know.
-You *must* call SetPort yourself, no one will do it for you.

-Bill Hofmann
Not a ToolBox Engineer