Path: utzoo!utgpu!jarvis.csri.toronto.edu!clyde.concordia.ca!uunet!mcsun!ukc!icdoc!syma!jonm
From: jonm@syma.sussex.ac.uk (Jonathan Meyer)
Newsgroups: comp.windows.x
Subject: Callbacks in class structure.
Keywords: toolkit, callbacks, widgets
Message-ID: <1929@syma.sussex.ac.uk>
Date: 20 Dec 89 14:25:46 GMT
Organization: Univ. of Sussex, Brighton, UK
Lines: 12

Does it make sense to talk about callback lists as being a class property, as
opposed to an instance property. ie. Can an event in a widget use CallCallback
on a callback list that is defined in the Class structure of the widget. When
a new procedure is registered on this callback lists, it effects all widgets
of that class. In general, can resources be defined as class properties, as
opposed to widget properties? I haven't seen this done, but it would be
useful.

Jon.

PS. This news group gets so many letters, I can't keep up. Do others feel that
there should be a comp.windows.xt, as well as a comp.windows.x ?