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From: d88-jwa@dront.nada.kth.se (Jon W{tte)
Newsgroups: comp.sys.mac.programmer
Subject: Re: How to get sizeRect?
Message-ID: <1991Jan18.153558.4723@nada.kth.se>
Date: 18 Jan 91 15:35:58 GMT
References: <1991Jan16.231355.3992@csn.org> <3770@uakari.primate.wisc.edu>
Organization: Royal Institute of Technology, Stockholm, Sweden
Lines: 16

In article <3770@uakari.primate.wisc.edu> bin@primate.wisc.edu writes:

>This is somewhere in Inside Macintosh V (Graphics Device chapter, I believe).
>Possibly you need to check whether the trap exists and use the low memory
>global GrayRgn instead if it doesn't.  Of course, depending on how
>GetGrayRgn() is implemented, it might simply return the value of GrayRgn
>itself!  Anyone know?

GetGrayRgn ( ) is [ Not In ROM ] - if the call's not there, the
global ain't either. Check for old ROMs or something instead...
New Sys software should provide the GetGrayRgn ( ) call on any
machine.

							h+

Jon W{tte, Stockholm, Sweden, h+@nada.kth.se