C#通过TCP/IP和PLC通讯

using OPC;
using OPCDA;
using OPCDA.NET;

using System;
using System.Collections.Generic;
using System.Text;
using Interface;
using System.IO.Ports;
using System.Threading;
using System.Windows.Forms;
using CommonLibrary;
using System.IO;
using General;
using System.Net.Sockets;
using System.Net;
delegate void AddMessage（string sNewMessage）;

namespace HostMainApp
{
    public class PLCControl : ILog IWafterControl
    {
        private Socket plc_sender = null;
       // private event AddMessage m_AddMessage;  
        private PLCCommu plcCommu = PLCCommu.Instance;
        //private System.IO.Ports.SerialPort plcSerialPort;
        private readonly object SendLockObj = new object（）;
        private readonly object waferIDObj = new object（）;

        private D

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2010-12-02 17:18  PlcConn_Tcp\
     目录           0  2010-12-17 16:44  PlcConn_Tcp\PlcConn_Tcp\
     文件         923  2010-11-29 08:10  PlcConn_Tcp\PlcConn_Tcp.sln
     文件       20992  2010-12-17 16:45  PlcConn_Tcp\PlcConn_Tcp.suo
     目录           0  2010-12-02 17:18  PlcConn_Tcp\PlcConn_Tcp\bin\
     目录           0  2010-12-02 17:18  PlcConn_Tcp\PlcConn_Tcp\bin\Debug\
     文件       32256  2010-12-03 10:05  PlcConn_Tcp\PlcConn_Tcp\bin\Debug\PlcConn_Tcp.exe
     文件       36352  2010-12-03 10:05  PlcConn_Tcp\PlcConn_Tcp\bin\Debug\PlcConn_Tcp.pdb
     文件       14328  2010-12-17 16:41  PlcConn_Tcp\PlcConn_Tcp\bin\Debug\PlcConn_Tcp.vshost.exe
     文件         490  2007-07-21 01:33  PlcConn_Tcp\PlcConn_Tcp\bin\Debug\PlcConn_Tcp.vshost.exe.manifest
     目录           0  2010-12-02 17:18  PlcConn_Tcp\PlcConn_Tcp\obj\
     目录           0  2010-12-03 09:56  PlcConn_Tcp\PlcConn_Tcp\obj\Debug\
     文件         688  2010-12-17 16:41  PlcConn_Tcp\PlcConn_Tcp\obj\Debug\PlcConn_Tcp.csproj.FileListAbsolute.txt
     文件         913  2010-12-01 13:53  PlcConn_Tcp\PlcConn_Tcp\obj\Debug\PlcConn_Tcp.csproj.GenerateResource.Cache
     文件       32256  2010-12-03 10:05  PlcConn_Tcp\PlcConn_Tcp\obj\Debug\PlcConn_Tcp.exe
     文件       36352  2010-12-03 10:05  PlcConn_Tcp\PlcConn_Tcp\obj\Debug\PlcConn_Tcp.pdb
     文件         180  2010-11-30 13:18  PlcConn_Tcp\PlcConn_Tcp\obj\Debug\PlcConn_Tcp.Properties.Resources.resources
     文件         180  2010-12-01 13:53  PlcConn_Tcp\PlcConn_Tcp\obj\Debug\PlcConn_Tcp.Test_PLC_Conn.resources
     目录           0  2010-12-02 17:18  PlcConn_Tcp\PlcConn_Tcp\obj\Debug\Refactor\
     目录           0  2010-12-02 17:18  PlcConn_Tcp\PlcConn_Tcp\obj\Debug\TempPE\
     文件       36729  2010-12-01 16:59  PlcConn_Tcp\PlcConn_Tcp\PLCCommu.cs
     文件        3847  2010-11-30 13:18  PlcConn_Tcp\PlcConn_Tcp\PlcConn_Tcp.csproj
     文件         511  2010-11-29 13:09  PlcConn_Tcp\PlcConn_Tcp\Program.cs
     目录           0  2010-12-02 17:18  PlcConn_Tcp\PlcConn_Tcp\Properties\
     文件        1442  2010-11-29 08:10  PlcConn_Tcp\PlcConn_Tcp\Properties\AssemblyInfo.cs
     文件        2851  2010-11-29 08:10  PlcConn_Tcp\PlcConn_Tcp\Properties\Resources.Designer.cs
     文件        5612  2010-11-29 08:10  PlcConn_Tcp\PlcConn_Tcp\Properties\Resources.resx
     文件        1096  2010-11-29 08:10  PlcConn_Tcp\PlcConn_Tcp\Properties\Settings.Designer.cs
     文件         249  2010-11-29 08:10  PlcConn_Tcp\PlcConn_Tcp\Properties\Settings.settings
     文件        9643  2010-12-17 16:44  PlcConn_Tcp\PlcConn_Tcp\Test_PLC_Conn.cs
     文件        7449  2010-12-01 13:53  PlcConn_Tcp\PlcConn_Tcp\Test_PLC_Conn.Designer.cs
............此处省略2个文件信息