# 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;
}
}
}
}
```
