Dealing with Extraneous Parameters

Author: Gene Wirchenko

Posted: 2016-11-22 at 12:34:26

Hello:

I am using VFP 9, but this may apply to many versions.

I am testing a new printing subsystem. This will require

testing each report with a valid configuration and an invalid

configuration. I wrote a short, standalone program that tweaks the

configuration either way. It is run with

<vfp>

do tmpprint with <number>

</vfp>

I also wanted to check the parameters. If I do not specify a

parameter, that is an error and one easily caught with pcount().

However, if there are more parameters than expected, an error

94 (Must specify additional parameters.) is thrown on the lparameters

statement. How do I catch this error considering that nothing gets

executed before the lparameters statement is looked at?

It gets odder. Supposedly lparameters takes up to 26

parameters. I am now up to 40, and they all get assigned their

specified values. Specifying a 41st parameter in the invocation

throws an error 94. Where does it end?

Sincerely,

Gene Wirchenko

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