>
>John,
>
>You can define your parameter class in a prg or in a vcx. It doesn't matter which baseclass it it derived from, so you might as well use the lightest weight baseclass (either a line in VCX or Relation in a prg).
>
>If you define the class in a prg then you must
>
>SET PROCEDURE TO YourPRG before you reference the class. In VFP 6 you can use NewObject() to create it and reference the prg in the NewObject() call, this will eliminate the need to SET PROCEDURE first.

Hey, that's excellent, I'll try that next!:D

Thanks Much!