"summary">
            If the next key/data pair of the database is a duplicate data record
            for the current key/data pair, move the cursor to the next key/data
            pair in the database, and store the secondary key and primary
            key/data pair in <a href="P_BerkeleyDB_SecondaryCursor_Current.htm">Current</a>. MoveNextDuplicate will
            return false if the next key/data pair of the database is not a
            duplicate data record for the current key/data pair.
         