>You have to remember that FoxPro table is database (DBF) :)
>Anything that starts with _DB would be for table not Visual FoxPro Database.

I can't say that for certain. A Visual FoxPro database is still a table. The tables "contained' in the database are still tables. An API must be talking to VFP's inner components. Therefore it should be possible to build an API that orders VFP's inner components to check if a DBC is used.

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>>Does anyone know how one might extend the VFP APIs? For example, the function _DBSEEK exists in the API, but OPEN DATABASE, SET DATABASE and DBUSED() and others are not in the API. I'd like to add them.
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>>Thanks