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Re: Does the hide-keyword work? [message #17530]

Sat, 30 October 1999 00:00

davidf
Messages: 2866
Registered: September 1996

Senior Member

Karri Kaksonen (karri@twins.dna.fi) writes:

> He told me not to use keyword_set to check if the
> user has entered a keyword. But I forgot...
>
> if keyword_set(hide) then o->setproperty, hide=hide
>
> is obviously not the same as
>
> if n_elements(hide) ne 0 then o->setproperty, hide=hide

Aye, a lesson those of us who don't learn it sooner,
*always* learn later. :-)

Cheers,

David
--
David Fanning, Ph.D.
Fanning Software Consulting
Phone: 970-221-0438 E-Mail: davidf@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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		Re: Does the hide-keyword work? By: davidf on Sat, 30 October 1999 00:00
		Re: Does the hide-keyword work? By: davidf on Sat, 30 October 1999 00:00

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