Visual Basic Concepts
If your application needs to use the features provided by the RDO Client Batch cursor library, you must choose it as the operational cursor library by setting the rdoEngine object's rdoDefaultCursorDriver property or the rdoEnvironment object's CursorDriver property to rdUseClientBatch. The Client Batch cursor library is capable of creating and managing any of the cursor types — depending on the capabilities of your ODBC driver.