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Re: Dynamically adding and removing widgets [message #46461 is a reply to message #46450]

Wed, 23 November 2005 11:23

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

akkiraju writes:

> Thanks. I have cross checked my sate variable value in the
> "show_phenomenon" procedure.
> IDL> print, base
> mask_tab
> IDL> print,state
> { 7 8 6 20 21
> 16 17 18}
>
> state is not undefined in my case, I can access the components and
> their names from the show_phenomenon procedure. But when I use these
> names to add new widgets it doesnt work, thats the real problem.

I agree with Antonio. When you get into Show_Phenomenon and look
for your state variable in the UValue of the top-level base it is
not defined. It can't be.

I'm not sure how you think you are checking it, but I am
100% sure that what you did is not what is happening in
your program. I would stop the program just before the
Show_Phenomenon call, then step into the Show_Phenomenon
code. You will see that state is undefined there.

Cheers,

David
--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/

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[Message index]

		Re: Dynamically adding and removing widgets By: peter.albert@gmx.de on Wed, 23 November 2005 23:16
		Re: Dynamically adding and removing widgets By: David Fanning on Wed, 23 November 2005 11:23
		Re: Dynamically adding and removing widgets By: akkiraju on Wed, 23 November 2005 10:29
		Re: Dynamically adding and removing widgets By: Antonio Santiago on Wed, 23 November 2005 09:58

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