Joe,

Not only is _VFP not allowed, but it appears you cannot use any variable at all, even a public variable, or a property of _SCREEN. Further, you can use internal VFP functions in the expression, but you cannot use a user defined function.


>Hey all,
>
>Can anyone tell me what is wrong with the following compiler directive:
>
>#IF (OCCURS('VISMM.PJX', UPPER(_VFP.ActiveProject.Name)) > 0)
>
>This was going to be such a sweet way of conditionally compiling code depending on the name of the project. I am sure I can think of other ways, but this seemed the most elegant. But I get the error: "Preprocessor expression is invalid." when compiling this for the above line.
>
>OCCURS is OK, but when I try to use the _VFP.ActiveProject.Name it seems to get cranky. Can anyone tell me if this is a limitation I should be aware of? The expression:
>
>(OCCURS('VISMM.PJX', UPPER(_VFP.ActiveProject.Name)) > 0)
>
>evaluates just fine to .T. or .F. in the command window...
>
>I would appreciate any help, and thanks in advance!
>
>Thanks,
>JoeK