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From: davidr@hplsla.HP.COM (David M. Reed)
Newsgroups: comp.windows.ms
Subject: GRP Modifying Program ?
Message-ID: <3130053@hplsla.HP.COM>
Date: 15 Feb 91 23:41:57 GMT
Organization: HP Lake Stevens, WA
Lines: 22

Whenever File Properies is run (or File New Program_item) one of the *.GRP
files is modified with the information.  While this could be built into
MSWindows, I suspect that there is some other program (perhaps in the
SYSTEM directory) that is actually invoked with appropriate parameters
to make these changes. I envision something along the lines of

    wingrp /a main.grp "Command Prompt" "COMMAND.COM" "PROGMAN.EXE" 1

which would add to the MAIN.GRP file an entry named "Command Prompt" which
would run the program "COMMAND.COM", and base its icon on the 1st entry
in the file "PROGMAN.EXE".  I would expect that selecting File Delete for
a highlighted icon would invoke a command like

    wingrp /d main.grp "Command Prompt"

to remove the appropriate entry.

Does such a program exist?  Can it be used outside of MSWindows?

Yes, this is for auto-installation of programs so that when an application
is installed on (or removed from) a user's system that an appropriage GRouP 
file can be modified by the installation program.