internal override void TransactionEnlisted(long transactionId)
 {
     if (Bid.AdvancedOn)
     {
         Bid.Trace("<sc.SqlInternalConnectionSmi.EventSink.TransactionEnlisted|ADV> %d#, transactionId=0x%I64x.\n", _connection.ObjectID, transactionId);
     }
     _connection.TransactionStarted(transactionId, true); // distributed;
 }