Path: utzoo!attcan!utgpu!news-server.csri.toronto.edu!rutgers!usc!zaphod.mps.ohio-state.edu!rpi!dragon
From: dragon@pawl.rpi.edu (Carl L. Norden)
Newsgroups: comp.sys.apple2
Subject: Re: talking to finder
Summary: Icons
Keywords: Finder, Icons
Message-ID: <H&{%C}&@rpi.edu>
Date: 2 Sep 90 15:26:55 GMT
References: <900827051434.510890@DOCKMASTER.NCSC.MIL>
Sender: dragon@pawl.rpi.edu
Organization: Rensselaer Polytechnic Institute, Troy NY
Lines: 12

What it seems that you are asking for is an icon editor.  You may not realize 
it, but the icons in the finder do alot of the work.  
  When you click an icon that is not an application, the finder checks a 
special record in the icon files in memory.  The record points to the 
application that created that file (usually).  If the record is blank, you
get the typical dialog:
   "An application cannot be found for this document"
The icon editor I have, IconEd, does use this feature, but right now, I am
unable to get it onto the net.  Perhaps someone else can help you get it.  (I 
need a better terminal program, ShrinkIt, and Bascii.)

                                   -Dragon