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Re: large info structure? [message #56113 is a reply to message #56112]

Tue, 02 October 2007 13:48

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

markb77@gmail.com writes:

> I see many examples of widget event handlers that identify the widget
> generating the event by checking its UVALUE. It seems redundant to
> store a name in both the UVALUE and the UNAME of each widget. Is
> there any disadvantage to using a statement like this:
>
> widget = widget_info(event.id, /UNAME)
>
> to get the source of the event?

The only disadvantage I see is that there are considerably more
opportunities to screw up string comparisons in CASE
statements and the like then there are with numbers. But
if you are careful and ALWAYS stick to a particular case
for the names, etc. you should be able to cope.

Cheers,

David

--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Sepore ma de ni thui. ("Perhaps thou speakest truth.")

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[Message index]

		Re: large info structure? By: Wox on Wed, 03 October 2007 01:06
		Re: large info structure? By: David Fanning on Tue, 02 October 2007 14:35
		Re: large info structure? By: markb77 on Tue, 02 October 2007 14:16
		Re: large info structure? By: Paul Van Delst[1] on Tue, 02 October 2007 14:08
		Re: large info structure? By: David Fanning on Tue, 02 October 2007 13:48
		Re: large info structure? By: markb77 on Tue, 02 October 2007 13:25
		Re: large info structure? By: Michael Galloy on Tue, 02 October 2007 10:52
		Re: large info structure? By: Paul Van Delst[1] on Tue, 02 October 2007 09:56
		Re: large info structure? By: David Fanning on Tue, 02 October 2007 08:42
		Re: large info structure? By: Mike[2] on Fri, 05 October 2007 08:01
		Re: large info structure? By: JD Smith on Thu, 04 October 2007 15:40

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