This introductory tutorial explains how to create handles, connect to an odbc data source and use the basic result-set generating odbc functions.
Paradox and xbase are very similar, so you may be able to extract the data using drivers meant for either of them.How to perform a silent installation of the openedge odbc drivers using the installers located in dlc\install\odbc?.
Plus, compatibility with microsoft access, dbase, and other odbc-compliant databases makes data sharing easy. The paradox driver was part of the jet drivers. You may be able to get a paradox odbc driver somewhere on.