NServiceBus.TransactionScopeStrategy.ReceiveMessage C# (CSharp) Method

        public override async Task ReceiveMessage()
        {
            Message message = null;
            try
            {
                using (var scope = new TransactionScope(TransactionScopeOption.RequiresNew, transactionOptions, TransactionScopeAsyncFlowOption.Enabled))
                {
                    if (!TryReceive(MessageQueueTransactionType.Automatic, out message))
                    {
                        return;
                    }

                    Dictionary<string, string> headers;

                    if (!TryExtractHeaders(message, out headers))
                    {
                        MovePoisonMessageToErrorQueue(message, MessageQueueTransactionType.Automatic);

                        scope.Complete();
                        return;
                    }

                    var shouldCommit = await ProcessMessage(message, headers).ConfigureAwait(false);

                    if (!shouldCommit)
                    {
                        return;
                    }

                    scope.Complete();
                }
            }
            // We'll only get here if Complete/Dispose throws which should be rare.
            // Note: If that happens the attempts counter will be inconsistent since the message might be picked up again before we can register the failure in the LRU cache.
            catch (Exception exception)
            {
                if (message == null)
                {
                    throw;
                }

                failureInfoStorage.RecordFailureInfoForMessage(message.Id, exception);
            }
        }