Path: utzoo!attcan!uunet!lll-winken!ames!ncar!unmvax!tut.cis.ohio-state.edu!bloom-beacon!ATHENA.MIT.EDU!kit
From: kit@ATHENA.MIT.EDU (Chris D. Peterson)
Newsgroups: comp.windows.x
Subject: Re: Creating a widget which is subclass of list widget
Message-ID: <8902091705.AA02630@DORA.MIT.EDU>
Date: 9 Feb 89 17:05:48 GMT
References: <320@salt.UUCP>
Sender: daemon@bloom-beacon.MIT.EDU
Organization: The Internet
Lines: 26


>  In the application program when I specify a callback
>  using XtSetArg and then create the widget(using XtCreateManagedWidget)
>  by specifying the Arglist, the callback procedure does not get added
>  (the XtCallbackList has no entries). But after creation of the widget if
>  I specify a callback using XtAddCallback the callback procedure gets
>  added to the CallbackList.

These two methods take very different arguments.

> Am I missing out some detail when writing the new widget?

I don't think so, barring any name collision the intrinsics should handle things
correctly.  If you are still unable to find the problem, shar up your widget
and test case and send them to me.  I will see if I can spot the problem.


						Chris D. Peterson     
						MIT X Consortium /
						Project Athena 

Net:	kit@athena.mit.edu		
Phone: (617) 253 - 1326			
USMail: MIT - Room E40-321
	77 Massachusetts Ave.		
	Cambridge, MA 02139