异步TCP客户端+掉线自动重连

初步完成了异步TCP客户端+掉线自动重连，刚开始接触socket编程，对委托、回调、异步冒似还是似懂非懂，希望大家多多指导。http://u.download.csdn.net/images/btn_submit.png

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

using System.Net;
using System.Net.Sockets;
using System.Threading;
using System.IO;

namespace MulThreadAsTCP
{
    public partial class MainForm : Form
    {
        private Socket socket;
        //Thread threadConnect;
        private int sendCount = 0;
        private int receiveCount = 0;
        /*------------定义与声明委托------------*/
        //显示消息
        private delegate void ShowMsgCallBack（string str）;
        private ShowMsgCallBack showMsgCallBack;
        //显示状态
        private delegate void ShowStatusInfoCallBack（string str）;
        private ShowStatusInfoCallBack showStatusInfoCallBack;
        //显示发送计数
        private delegate void ShowSendCountCallBack（string str）;
        private ShowSendCountCallBack showSendCountCallBack;
        //显示接收计数
        private delegate void ShowReceiveCountCallBack（string str）;
        private ShowReceiveCountCallBack showReceiveCountCallBack;
        //定时重连
        private delegate void ReConnectCallBack（）;
        private ReConnectCallBack reConnectCallBack;
        //异步调用（与要调用的方法具有相同签名）
        private delegate void ReceiveMsgDelegate（out string receiveMsg）;
        private ReceiveMsgDelegate receiveMsgDelegate;
        private delegate void SendMsgDelegate（string sendMsg）;
        private SendMsgDelegate sendMsgDelegate;
        /*------------定义与声明委托------------*/
        public MainForm（）
        {
            InitializeComponent（）;
            /*----------实例化委托----------*/
            //显示消息
            showMsgCallBack = new ShowMsgCallBack（ShowMsg）;
            //显示状态
            showStatusInfoCallBack = new ShowStatusInfoCallBack（ShowStatusInfo）;
            //显示发送计数
            showSendCountCallBack = new ShowSendCountCallBack（ShowSendCount）;
            //显示接收计数
            showReceiveCountCallBack = new ShowReceiveCountCallBack（ShowReceiveCount）;
            //掉线后自动启动定时重连
            reConnectCallBack = new ReConnectCallBack（ReConnect）;
            //接收消息
            receiveMsgDelegate = new ReceiveMsgDelegate（AsyncRcvMsg）;
            //发送消息
            sendMsgDelegate = new SendMsgDelegate（AsyncSendMsg）;
            /*----------实例化委托----------*/
            IPAddress[] localIP = Dns.GetHostAddresses（““）;
            txtIP.Text = localIP[0].ToString（）;
            txtIP.SelectAll（）;
            txtPort.Text = “9501“;
            tbxReceiveCount.Text = sendCount.ToString（）;
            tbxReceiveCount.Text = receiveCount.ToString（）;

            
        }

        /*----------定义回调函数----------*/
        //显示消息
        private void ShowMsg（string str）
        {
            lstBoxMsg.Items.Add（str）;
            lstBoxMsg.TopIndex = lstBoxMsg.Items.Count - 1;
        }

        //显示状态
        private void ShowStatusInfo（string str）

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件      16896  2015-08-26 16:31  MulThreadAsTCP\MulThreadAsTCP\bin\Debug\MulThreadAsTCP.exe

     文件      34304  2015-08-26 16:31  MulThreadAsTCP\MulThreadAsTCP\bin\Debug\MulThreadAsTCP.pdb

     文件      11600  2015-08-26 16:31  MulThreadAsTCP\MulThreadAsTCP\bin\Debug\MulThreadAsTCP.vshost.exe

     文件        490  2010-03-17 22:39  MulThreadAsTCP\MulThreadAsTCP\bin\Debug\MulThreadAsTCP.vshost.exe.manifest

     文件      10916  2015-08-26 16:33  MulThreadAsTCP\MulThreadAsTCP\MainForm.cs

     文件      11087  2015-08-26 16:33  MulThreadAsTCP\MulThreadAsTCP\MainForm.Designer.cs

     文件       6020  2015-08-26 16:33  MulThreadAsTCP\MulThreadAsTCP\MainForm.resx

     文件       3702  2015-08-25 15:55  MulThreadAsTCP\MulThreadAsTCP\MulThreadAsTCP.csproj

     文件       4440  2015-08-26 07:55  MulThreadAsTCP\MulThreadAsTCP\obj\x86\Debug\DesignTimeResolveAssemblyReferences.cache

     文件       6432  2015-08-26 16:31  MulThreadAsTCP\MulThreadAsTCP\obj\x86\Debug\DesignTimeResolveAssemblyReferencesInput.cache

     文件        534  2015-08-26 16:31  MulThreadAsTCP\MulThreadAsTCP\obj\x86\Debug\GenerateResource.read.1.tlog

     文件       1194  2015-08-26 16:31  MulThreadAsTCP\MulThreadAsTCP\obj\x86\Debug\GenerateResource.write.1.tlog

     文件       1372  2015-08-26 16:31  MulThreadAsTCP\MulThreadAsTCP\obj\x86\Debug\MulThreadAsTCP.csproj.FileListAbsolute.txt

     文件      16896  2015-08-26 16:31  MulThreadAsTCP\MulThreadAsTCP\obj\x86\Debug\MulThreadAsTCP.exe

     文件        180  2015-08-26 16:31  MulThreadAsTCP\MulThreadAsTCP\obj\x86\Debug\MulThreadAsTCP.MainForm.resources

     文件      34304  2015-08-26 16:31  MulThreadAsTCP\MulThreadAsTCP\obj\x86\Debug\MulThreadAsTCP.pdb

     文件        180  2015-08-25 16:30  MulThreadAsTCP\MulThreadAsTCP\obj\x86\Debug\MulThreadAsTCP.Properties.Resources.resources

     文件       7897  2015-08-26 07:59  MulThreadAsTCP\MulThreadAsTCP\obj\x86\Debug\ResolveAssemblyReference.cache

     文件        498  2015-08-25 15:42  MulThreadAsTCP\MulThreadAsTCP\Program.cs

     文件       1384  2015-08-25 15:23  MulThreadAsTCP\MulThreadAsTCP\Properties\AssemblyInfo.cs

     文件       2878  2015-08-25 15:23  MulThreadAsTCP\MulThreadAsTCP\Properties\Resources.Designer.cs

     文件       5612  2015-08-25 15:23  MulThreadAsTCP\MulThreadAsTCP\Properties\Resources.resx

     文件       1099  2015-08-25 15:23  MulThreadAsTCP\MulThreadAsTCP\Properties\Settings.Designer.cs

     文件        249  2015-08-25 15:23  MulThreadAsTCP\MulThreadAsTCP\Properties\Settings.settings

     文件        884  2015-08-25 15:23  MulThreadAsTCP\MulThreadAsTCP.sln

    ..A..H.     24576  2015-08-26 16:33  MulThreadAsTCP\MulThreadAsTCP.suo

     目录          0  2015-08-25 15:23  MulThreadAsTCP\MulThreadAsTCP\obj\x86\Debug\TempPE

     目录          0  2015-08-26 16:31  MulThreadAsTCP\MulThreadAsTCP\obj\x86\Debug

     目录          0  2015-08-26 07:55  MulThreadAsTCP\MulThreadAsTCP\bin\Debug

     目录          0  2015-08-25 15:42  MulThreadAsTCP\MulThreadAsTCP\bin\Release

............此处省略9个文件信息