Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!think.com!spool.mu.edu!agate!ziploc!eps
From: eps@toaster.SFSU.EDU (Eric P. Scott)
Newsgroups: comp.sys.next
Subject: Re: Programming Question
Message-ID: <1797@toaster.SFSU.EDU>
Date: 25 Jun 91 07:03:59 GMT
Article-I.D.: toaster.1797
References: <1991Jun25.050118.29467@neon.Stanford.EDU>
Reply-To: eps@cs.SFSU.EDU (Eric P. Scott)
Distribution: usa
Organization: San Francisco State University
Lines: 17

In article <1991Jun25.050118.29467@neon.Stanford.EDU>
	zimmer@calvin.stanford.edu (Andrew Zimmerman) writes:
>I would like change the icon on a Button, depending on which state it is
>in.  Rather then having a class which send a message to a button to 
>change states, I thought I would just subclass a button.

If it's a two-state Button, you shouldn't need to subclass.
You can use setAltImage: or setAltIcon: to display something
different for the "1" state.  (Also, IB lets you set these.)

>However, after looking through the Concepts manuals, and asking a couple 
>of people, I'm still a little unclear on one point.  Should I be subclassing
>a Button Class, or a ButtonCell Class?

ButtonCell.  Controls don't draw--Cells do.

					-=EPS=-