C# 消息队列 多线程 委托

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Messaging;

namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        string QueuePath = ".\\private$\\test";
        IMessageFormatter formatter = new System.Messaging.BinaryMessageFormatter();

        private void button1_Click(object sender, EventArgs e)
        {
            MessageQueue queue;
            if (!MessageQueue.Exists(QueuePath))
            {
                queue = MessageQueue.Create(QueuePath);
                queue.SetPermissions("Administrators", MessageQueueAccessRights.FullControl);
                queue.Label = QueuePath;
            }

            System.Messaging.Message message = new System.Messaging.Message();
            message.Body = richTextBox1.Text;
            message.Formatter = formatter;


            if (!MessageQueue.Exists(QueuePath))
            {
                return;
            }

            queue = new System.Messaging.MessageQueue(QueuePath);
            queue.Send(message);
        }

    }
}

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Messaging;

namespace WindowsFormsApplication2
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        string QueuePath = ".\\private$\\test";
        IMessageFormatter formatter = new System.Messaging.BinaryMessageFormatter();
        private void Form1_Load(object sender, EventArgs e)
        {

        }
        private object obj = new object();
        private void MessageQueueReceive()
        {
            if (!MessageQueue.Exists(QueuePath))
            {
                return;
            }
            MessageQueue queue = new MessageQueue(QueuePath);
            System.Messaging.Message message = queue.Receive();
            message.Formatter = formatter;
            lock (obj)//加锁
            {
                WriteLog(message.Body.ToString());//给你的控件赋值
            }
            MessageQueueReceive();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            Thread myThread = new Thread(new ThreadStart(MessageQueueReceive));
            myThread.Start();
        }
        //定义一个委托
        private delegate void WriteLogHandle(string format);
        //输出
        private void WriteLog(string msg)
        {
            if (richTextBox1.InvokeRequired)
            {
                richTextBox1.BeginInvoke(new WriteLogHandle(WriteLog), msg);
            }
            else
            {
                richTextBox1.AppendText(string.Format(msg));
            }
        }
    }
}