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Re: strAnswer = ReadUserInput() [message #35666 is a reply to message #35520]

Wed, 25 June 2003 07:47

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Gert Van de Wouwer writes:

> I would like to have a function:
>
> strAnswer = ReadUserInput()
>
> readUserInput would then create a (modal) base, have a text-field where the
> user types his tekst. When the base is
> closed, the contents of the textfield are returnedn in strAnswer.
>
>
> I've come up with this:
>
> strTemp=''
> ptr1 = ptr_new(strTemp)
> ptr2 = ptr1
> TextFieldBase, ptr1, group_leader=... ;this guy modifies *ptr1
> ...
> at this point, ptr1 seems to be destroyed (by who, why?), but p2 points to
> whatever is been filled in in textfieldbase.
>
>
> It seems to work, but are there any pitfalls here? Is there any better way
> to do this?
> thanks for any input,

Try my TEXTBOX program:

http://www.dfanning.com/programs/textbox.pro

And here is an article that describes how to write
these pop-up dialog widgets correctly:

http://www.dfanning.com/widget_tips/popup.html

Cheers,

David

--
David W. Fanning, Ph.D.
Fanning Software Consulting, Inc.
Phone: 970-221-0438, E-mail: david@dfanning.com
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Toll-Free IDL Book Orders: 1-888-461-0155

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[Message index]

		strAnswer = ReadUserInput() By: Gert Van de Wouwer on Wed, 25 June 2003 02:12
		Re: strAnswer = ReadUserInput() By: Gert Van de Wouwer on Fri, 27 June 2003 01:48
		Re: strAnswer = ReadUserInput() By: David Fanning on Wed, 25 June 2003 07:47

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