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Re: Returning values within _EXTRA. [message #12630 is a reply to message #12486]

Tue, 11 August 1998 00:00

davidf
Messages: 2866
Registered: September 1996

Senior Member

Imanol Echave (ccaeccai@sc.ehu.es) writes:

> When you use a keyword parameter on a program, it's possible to change the
> value of the keyword (if it's a named value), OK. But, I want to do the same
> using the _EXTRA keyword, and it doesn't work (because a tag of a structure is
> passed by value, I think). Anybody knows how to do it?

Perfect place for the new _REF_EXTRA keyword, which
passes keywords by reference and not by value. :-)

Cheers,

David

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

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		Re: Returning values within _EXTRA. By: Vap User on Thu, 13 August 1998 00:00
		Re: Returning values within _EXTRA. By: Vap User on Thu, 13 August 1998 00:00
		Re: Returning values within _EXTRA. By: davidf on Tue, 11 August 1998 00:00

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