>How can I use clipper file with vfp and maintain ntx index.
>in visual basic I use a control data from artemis, can I use this kind of control in vfp.

You can search, as Nancy suggested, but you won't come up with much. The only way that seems to work is to recompile your Clipper app with one of the CDX drivers and change your index structures to match FoxPro. NOT a good solution at all.