I didn't find ZDEF (or ZLOC) in the help directly, until I looked under "Miscellaneous Enhancements".
>I looked up the help after read this message, and there is a 'zloc' too, it lists all the LOCAL variables.
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>>>FWIW ... in VFP 8, you can type "zdef" (without the quotes) and then hit the space bar. Intellisense will kick in and show you all the #DEFINES you have .. including those in any #INCLUDE files.
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>>Wow, where did you pick that tip up from? That's slick!