Path: utzoo!utgpu!water!watmath!clyde!att!osu-cis!tut.cis.ohio-state.edu!bloom-beacon!mit-eddie!uw-beaver!cornell!rochester!pt.cs.cmu.edu!cat.cmu.edu!pane
From: pane@cat.cmu.edu (John Pane)
Newsgroups: comp.sys.mac.programmer
Subject: Re: Does a window have to come up white?
Message-ID: <3291@pt.cs.cmu.edu>
Date: 13 Oct 88 13:18:25 GMT
References: <4412@polya.Stanford.EDU>
Sender: netnews@pt.cs.cmu.edu
Organization: Carnegie-Mellon University, CS/RI
Lines: 33

In article <4412@polya.Stanford.EDU> rothberg@polya.Stanford.EDU (Edward Rothberg) writes:
>...
>So, what do I do?  I tried opening an invisible window, setting
>it's background pattern to gray, and then calling ShowWindow().
>Unfortunately, the window comes up white, and doesn't go to
>gray until I call an EraseRect().  As you could imagine, it
>is extremely distracting to have this flash of white before
>things go to gray.  Is there any way to gray out all of the
>screen except the menu bar without having a flash of white
>first and without being extremely MultiFinder unfriendly (i.e.
>not using a window)?
>
>Ed Rothberg
>rothberg@polya.stanford.edu

See the assembly-language note in the entry for PaintOne, Window Manager, 
IM Volume 1.  The following MPW assembly language works for me:

	MAIN
noPaintWhite PROC EXPORT
	INCLUDE 'ToolEqu.a'

	CLR.W	PaintWhite
	RTS

	END


John Pane
Department of Computer Science
Carnegie Mellon University
pane@cs.cmu.edu
(412) 268-5884