Path: utzoo!attcan!uunet!lll-winken!lll-tis!helios.ee.lbl.gov!pasteur!ames!mailrus!pepe!shane
From: shane@pepe.cc.umich.edu (Shane Looker)
Newsgroups: comp.sys.mac.programmer
Subject: Re: A suicidal desk accessory
Message-ID: <538@mailrus.cc.umich.edu>
Date: 17 Jun 88 22:24:58 GMT
References: <326@uva.UUCP> <226000016@uxe.cso.uiuc.edu>
Sender: usenet@mailrus.cc.umich.edu
Reply-To: shane@pepe.cc.umich.edu (Shane Looker)
Organization: University of Michigan Computing Center, Ann Arbor
Lines: 34

In article <226000016@uxe.cso.uiuc.edu> leonardr@uxe.cso.uiuc.edu writes:
!
!freek@uva.UUCP(Freek Wiedijk) writes in comp.sys.mac.programmer
!
!>What is the proper way for my desk accessory to commit suicide, i.e. to close
!>itself and vanish without leaving a trace?
!>(i)   To call my own Close routine won't help much, because the system won't
!>      know I'm doing it, and the DA will stay active.
!>(ii)  However if I call CloseDeskAcc from within the DA code, that code won't
!>      be there to return to, after CloseDeskAcc is finished (or will it?).
!>
!	Well, I don't know if it is the _CORRECT_ answer or not, but SigmaEdit (DA)
!uses a CloseDeskAcc on itself when it gets a Cmd-Q ( Not menu item, yet ) and
!things work just fine.  Hope that helps...
!

The line of code I use for this is:
	  CloseDriver(dce->dCtlRefNum);

	  dce is the Device Control Entry data structure.

I do this if the DA can't open, Close is selected from the DA Menu, or a
Goodbye Kiss is sent to the DA.  No problems with this.  (I think it is the
correct way to do it.)

!+   Leonard Rosenthol             +  fact, then again you might decide+
!+   President, LazerWare, inc.    +  that it really isn't, so you     +
(Strange, I saw you before I saw this, Leonard.  I want my Usenet TV!)



Shane Looker
shane@pepe.cc.umich.edu 
uunet!umix!pepe.cc.umich.edu!shane
Looker@um.cc.umich.edu