| Re: passing parameters on to other functions [message #8878 is a reply to message #8772] |
Thu, 01 May 1997 00:00  |
Robert Moss
Messages: 74
Registered: February 1996
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Member |
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Esfandiar Bandari wrote:
>
> Hi:
> I want to pass the parameters that have been sent to
> a function directly to another function or procedure. The difficulty
> is that there may be optional keywords and optional functions that are
> also needed to be passed on.
>
> One obvious option would be to use a series of nested ifs, but
> this can get messy as the number of optional parameters increase. I
> have also resorted to using the 'execute command', but there just must
> be a cleaner way of handling this issue. Any ideas anyone?
>
> I was thinking, for instance, that if there was a way of setting
> undefined keywords/parameters to something that is still undefined,
> without idl complainning, then all one has to do is pass ll the parameters
> to the next function (undefined parameters will still remain undefined and
> everybody will be happy. Thanks in advance for all the help.
>
> --- Esfandiar
>
>
> --
> Esfandiar B. Bandari, Ph.D. email: bandari@mda.ca
> MacDonald Dettwiler and Assoc. tele: o. (604) 231-2374
> 13800 Commerce Parkway h. (604) 926-4839
> Richmond, B.C. V6V 2J3 fax: (604) 278-2117
There is already a builtin mechanism to handle this called keyword
inheritance. Look up the EXTRA keyword in your online help for more
details. It's custom made for just your problem.
--
Robert M. Moss, Ph.D. - mossrm@texaco.com - FAX (713)954-6911
------------------------------------------------------------ -----
This does not necessarily reflect the opinions of Texaco Inc.
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