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Re: Work-around for the Shortcomings of Widget_Tab [message #53707]

Tue, 24 April 2007 07:40

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Joe@Zawodny.com writes:

> There is no way (that I can
> see in the documentation) to use either Widget_Info or Widget_Control
> to obtain the identity of the Widget_Base underlying a given tab. I
> have a work-around for this that is less than satisfactory.

This workaround feels a little too complicated for my tastes.
I think what I would do is use the event.tab field, which
you know is the index number of the child base, to fish
out the required base. You could do something like this
to identify the base widget:

CASE event.tab OF
0: theBase = Widget_Info(event.id, /Child)
ELSE: BEGIN
theChild = Widget_Info(event.id, /Child)
FOR j=1,event.tab DO BEGIN
theChild = Widget_Info(theChild, /Sibling)
ENDFOR
theBase = theChild
END
ENDCASE

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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		Re: Work-around for the Shortcomings of Widget_Tab By: David Fanning on Tue, 24 April 2007 07:40
		Re: Work-around for the Shortcomings of Widget_Tab By: Joe[5] on Wed, 02 May 2007 09:29

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