>I have a client that uses a product written in Clarion using the TopSpeed Database. My client has asked whether an interface can be written between the two programs to share data.
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>Has anyone successfully written an interface to the TopSpeed database? Does anyone have an idea what it would take to access TopSpeed?
>

The search on Google.com shows that there're ODBC drivers avalable for TopSpeed Database. With ODBC you can use SPT or views to access TopSpeed data.