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Re: Returning result from a widget program. [message #12317 is a reply to message #12205]

Mon, 13 July 1998 00:00

Eddie Breeveld
Messages: 4
Registered: July 1998

Junior Member

But common blocks are clear and easy! Your pointer example
(this is me showing some prejudice!) is unclear and more importantly
easy to get wrong.

Eddie Breeveld

David Foster wrote:
>
> mirko_vukovic@notes.mrc.sony.com wrote:
>>
>> Imanol Echave <ccaeccai@sc.ehu.es> wrote:
>>> Hi people:
>>>
>>> I'm writting an IDL function that works with widgets. The user calls an
>> IDL
>>> function that shows an widget interface to input data. When the user pushes
>> the
>>> "OK" button the function has to return a result that depends on the input
>> data.
>>> My problem is where to store this result to return it. Any advice?
>>
>> common block, pointer variable?
>>
>> You can setup a widget cleanup routine (and frankly, I forget their syntax
>> now), where you can do that kind of stuff.
>>
>> mirko
>>
>
> This is definitely the easiest approach, but it's messy and you'll
> regret it later. There is almost always a way to avoid common blocks,
> like my recent reply to Imanol.
>
> Dave
>

--
Edward Breeveld MSSL/UCL, Holmbury St. Mary, Dorking, Surrey RH5 6NT, UK
e.breeveld@physics.org tel: +44 (0)1483 204178/267632 fax: +44 (0)1483 278312

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[Message index]

		Returning result from a widget program. By: Imanol Echave on Thu, 09 July 1998 00:00
		Re: Returning result from a widget program. By: Martin Schultz on Tue, 14 July 1998 00:00
		Re: Returning result from a widget program. By: R. Bauer on Tue, 14 July 1998 00:00
		Re: Returning result from a widget program. By: Eddie Breeveld on Mon, 13 July 1998 00:00
		Re: Returning result from a widget program. By: Vap User on Mon, 13 July 1998 00:00
		Re: Returning result from a widget program. By: Vap User on Mon, 20 July 1998 00:00

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