/span><span class="cpp">::</span><span class="nu">.</span></span>Transaction</a><br />
            If the operation is part of an application-specified transaction,
            <span class="parameter">txn</span> is a Transaction object returned from
            <a href="M_BerkeleyDB_DatabaseEnvironment_BeginTransaction.htm">BeginTransaction<span class="languageSpecificText"><span class="cs">()</span><span class="cpp">()</span><span class="nu">()</span></span></a>; if
            the operation is part of a B