c# - 在 PeekCompleted 方法中从 messageQueue 中出队

Question

我正在使用 PeekCompleted 从 MessageQueue 中读取消息，我在这里执行我的过程，如果一切正常，我需要将其从队列中删除!目前我正在使用 MyMessageQueue.Receive() 并且它有效，但这是确保正确处理每条消息的可靠方法吗？

    MessageQueue MyMessageQueue;
    public Form1()
    {
        InitializeComponent();

        MyMessageQueue = new MessageQueue(@".\private$\Dms");
        MyMessageQueue.PeekCompleted += new PeekCompletedEventHandler(MessageQueue_PeekCompleted);
        MyMessageQueue.Formatter = new XmlMessageFormatter(new Type[] { typeof(string) });
        MyMessageQueue.BeginPeek();
    }

    void MessageQueue_PeekCompleted(object sender, PeekCompletedEventArgs e)
    {
        try
        {
            Debug.WriteLine("ToProcess:" + e.Message.Body);
            //Long process that maybe fail
            MyMessageQueue.Receive();
        }
        finally
        {
            MyMessageQueue.BeginPeek();
        }
    }

Answer 1

Receive() 接收队列中的第一条消息，将其从队列中移除。你需要什么是MessageQueue.ReceiveById Method

MyMessageQueue.ReceiveById(e.Message.Id);

其次，我认为，你总是需要调用MessageQueue.EndPeek Method

Message m = MyMessageQueue.EndPeek(e.AsyncResult);