# 简单的同步MSMQ```cs    using System;    using System.Messaging;    using System.Windows.Forms;        namespace MSMQExample    {        ///        /// 一个简单的MSMQ例子，目前只是同步操作。        ///        public partial class Form1 : Form        {                private string queuestring = @".\Private$\MyQueue";            private int times = 0;                public Form1()            {                InitializeComponent();            }                private void Form1_Load(object sender, EventArgs e)            {                }                ///            ///            ///            ///            private void btn_create_Click(object sender, EventArgs e)            {                try                {                    if (!MessageQueue.Exists(queuestring))                    {                        MessageQueue.Create(queuestring);                    }                    MessageQueue queue = new MessageQueue(queuestring);                    lbl_msg1.Text = string.Format("path={0}\nformat={1}", queue.Path, queue.FormatName);                }                catch (MessageQueueException ex)                {                    lbl_msg1.Text = ex.Message;                }            }                ///             ///             private void btn_rec_Click(object sender, EventArgs e)            {                try                {                    MessageQueue queue = new MessageQueue(queuestring);                    queue.Formatter = new BinaryMessageFormatter();                    int count = 0;                    foreach (System.Messaging.Message message in queue)                    {                        count++;                        break;                    }                    if (count > 0)                    {                        System.Messaging.Message message = queue.Receive();                        byte[] buffer = (byte[])message.Body;                        lbl_msg2.Text = System.Text.Encoding.UTF8.GetString(buffer);                    }                    else                        lbl_msg2.Text = "没有消息！";                }                catch (Exception ex)                {                    lbl_msg2.Text = ex.Message;                }            }                ///             ///             private void btn_send_Click(object sender, EventArgs e)            {                try                {                    string mss = DateTime.Now.ToString("当前时间：yyyy-MM-dd HH:mm:ss.fff。");                    MessageQueue queue = new MessageQueue(queuestring);                    byte[] msg = System.Text.Encoding.UTF8.GetBytes(mss);                    System.Messaging.Message Msg = new System.Messaging.Message(msg, new BinaryMessageFormatter());                    Msg.AcknowledgeType = AcknowledgeTypes.PositiveReceive | AcknowledgeTypes.PositiveArrival;                    Msg.Label = "消息" + times;                    queue.Send(Msg);                    queue.Close();                    lbl_msg3.Text = "已发送！";                    times++;                }                catch (Exception ex)                {                    lbl_msg3.Text = ex.Message;                }            }        }    }```