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From: fry@math.harvard.edu (David Fry)
Newsgroups: comp.sys.mac.programmer
Subject: jGNEFilter, MultiFinder, and update events
Message-ID: <6121@husc6.harvard.edu>
Date: 24 Mar 91 13:42:16 GMT
Sender: news@husc6.harvard.edu
Organization: Harvard Math Department
Lines: 21
Originator: fry@zariski


I'm trying to rig the jGNEFilter so I can have my own windows working 
in SuperCard along with SuperCard itself, just like HyperCard 2.0.  
One problem I've noticed is that the jGNEFilter is not receiving 
update events for my windows when SuperCard is not the foreground 
application.  The result is you can drag a Finder window (for 
instance) over top one of my windows and my window doesn't redraw 
itself.  Yes, the jGNEFilter is still being called, but not with any 
update events.

For the gurus:  does anyone know off hand if this is a standard 
MultiFinder thing, or is SuperCard playing with my windows 
unknowingly when it is switched out by MF?  I can force a redraw when 
SuperCard returns, but it's sort of sloppy.

Thanks in advance

David Fry                               fry@math.harvard.EDU
Department of Mathematics               fry@huma1.bitnet
Harvard University                      ...!harvard!huma1!fry
Cambridge, MA  02138