sor is not yet initialized, MoveNextMultiple is identical
            to <a href="M_BerkeleyDB_Cursor_MoveFirstMultiple_1.htm">MoveFirstMultiple(LockingInfo)</a>. Otherwise, move the
            cursor to the next key/data pair of the database, and store that
            pair and as many duplicate data items that can fit in a buffer the
            size of one database page in <a href="P_BerkeleyDB_Cursor_CurrentMultiple.htm">CurrentMultiple</a>. In the
            presence of duplicate key values, the valu