>>It's been a while but ISTR Intellisense can take advantage of the first form, so that when you call the function in other code you get prompted for the parameters the same way you do for built-in VFP functions.
>
>I don't have a lot of experience in VFP, but I've never seen this happen.

It may if there's an instance of the class made in the command window or (same effect) the file where it's defined is in the set("procedure")/set("classlib"). IOW, it can do that with stuff that is already open, won't find it by itself.