Path: utzoo!attcan!uunet!lll-winken!ames!mailrus!iuvax!purdue!decwrl!labrea!polya!kaufman
From: kaufman@polya.Stanford.EDU (Marc T. Kaufman)
Newsgroups: comp.sys.mac.programmer
Subject: Re: Hard Disk Icons
Keywords: Disk, Icon
Message-ID: <6112@polya.Stanford.EDU>
Date: 14 Jan 89 18:37:59 GMT
References: <300@puivax.UUCP>
Reply-To: kaufman@polya.Stanford.EDU (Marc T. Kaufman)
Organization: Stanford University
Lines: 17

In article <300@puivax.UUCP> dave@puivax.UUCP (Dave Duffy) writes:
.Hello out there. I am in the process of attempting to write a disk
.cataloging utility (yes, another one). I would like to be able to display
.the icons of any hard disks present on the system, and I just can't figure
.out how to get the icon.  I know it is somewhere in the driver, but since
.the finder is able to display the icon, there must be some method of asking
.the driver for the icon. I tried using the Control call documented in IM-4,
.but had no success. I know it is described as for the HD-20 only, but I
.figured it couldn't hurt. It is also possible I wasn't setting up the
.parameter block properly.

The csCode = 21 call works for me.  Note that this is a CONTROL call, even
though you are logically asking for information to be returned (which
intuition would suggest should be a STATUS call).  Remember to put the DRIVE
number in the appropriate field.

Marc Kaufman (kaufman@polya.stanford.edu)