//每次编写设计网络通讯程序时,总面对一个问题,就是要自定义一组应用协议(即通讯协议),然后再写相应的方法来解析协议,并提供相应的接口供上层调用。假如只是简单的文本信息通讯还轻易,但要交换一些控制信息或结构复杂的数据时,比如做联机游戏,更是让人头疼。
  
//  最近忽然想到一个点子,可以用对象串行化技术将对象直接转换为二进制数据发送,然后接收时直接还原为对象。具体过程是,将要发送的数据放在一个HashTable中,串行化后发送出去,在接收方接收到数据并还原为HashTable,根据预先约定好的Key和获取自己关心的数据。在这种情况下,定义通讯协议的内容实质上也就只是指定一组Key就行了。再也不用做那些规定第几个字段是什么类型有多长的烦躁的事情了。
  
//  可能很多人很善于用XML,也将之广泛用于网络通讯。XML有不可比拟的好处,因为它是同平台无关的,而且基本上任何开发语言都有现成库来解析XML。这个和我的观点并不冲突。对象串行化并不局限于二进制数据。C#里有丰富的方法,可以将对象串行化为XML文档,也支持用SOAP协议来串行化数据。所以只要用公共的串行化标准来串行化对象,也可以达到跨平台、跨语言的目的。其实现在流行的Web Service其核心技术也就大概是这样吧。
  
//  原理说完了,贴段代码做个例子。ObjectTransferClient(简称OTC)是一个利用UDP协议及二进制对象串行化的包括对象发送和接收的库。调用方法很简单,用Send发送对象,响应ReceiveObject事件来处理接收的对象。至于具体细节就不多叙述了,相信有一定C#基础的人能轻松看懂的。
  
//  这一原理的应用潜力是巨大的,我在这里抛砖引玉,还请指教。
  
using System;
  using System.Net.Sockets;
  using System.Net;
  using System.Runtime.Serialization.Formatters.Binary;
  using System.Threading;
namespace OTC
{
    /// <summary>
    /// 对象传送器,使用UDP协议通过网路在不同主机间传送对象。
    /// </summary>
    public class ObjectTransferClient : IDisposable
    {
        private Thread ListenThread;
        private BinaryFormatter Serializer = new BinaryFormatter();
        private int m_Port;
        private UdpClient m_Client;
        private bool m_IsStart;
        private bool m_IsConnected;

/// <summary>
        /// 接收到对象事件
        /// </summary>
        public event ReceiveObjectEventHandler ReceiveObject;

/// <summary>
        /// 构建一个对象传送器,默认端口7321
        /// </summary>
        public ObjectTransferClient()
            : this(7321)
        {
            //
            // TODO: 在此处添加构造函数逻辑
            //
        }

/// <summary>
        /// 指定端口号构建一个对象传送器。
        /// </summary>
        /// <param name="port">端口号</param>
        public ObjectTransferClient(int port)
        {
            this.m_Port = port;
            this.m_IsConnected = false;
            this.m_IsStart = false;
        }

/// <summary>
        /// 初始化传送器并开始工作
        /// </summary>
        public void Start()
        {
            if (!this.m_IsStart)
            {
                this.m_Client = new UdpClient(this.m_Port);
                ListenThread = new Thread(new ThreadStart(this.Listen));
                ListenThread.Start();
                this.m_IsStart = true;
            }
        }

/// <summary>
        /// 使用指定的主机名和端口连接默认的远程主机
        /// </summary>
        /// <param name="hostname">主机名</param>
        /// <param name="port">端口</param>
        public void Connect(string hostname, int port)
        {
            this.m_Client.Connect(hostname, port);
        }

/// <summary>
        /// 使用指定的IP地址和端口连接默认的远程主机
        /// </summary>
        /// <param name="ipaddress">IP地址</param>
        /// <param name="port">端口</param>
        public void Connect(IPAddress ipaddress, int port)
        {
            this.m_Client.Connect(ipaddress, port);
        }

/// <summary>
        /// 使用网络终结点连接默认的远程主机
        /// </summary>
        /// <param name="iep">网络端点</param>
        public void Connect(IPEndPoint iep)
        {
            this.m_Client.Connect(iep);
        }

private byte[] CreateArgPackage(object obj)
        {
            IPEndPoint local = new IPEndPoint(IPAddress.Any, this.m_Port);//提供一个 IP 地址,指示服务器应侦听所有网络接口上的客户端活动。 此字段为只读。 Any 字段等效于以点分隔的四部分表示法格式的 0.0.0.0。

System.IO.MemoryStream outStream = new System.IO.MemoryStream();
            this.Serializer.Serialize(outStream, new ReceiveObjectEventArgs(obj, local));//要传过去的对象和本地IP
            return outStream.ToArray();
        }

/// <summary>
        /// 将对象发送到默认主机。调用此方法前必须先调用Connect方法连接默认主机。
        /// </summary>
        /// <param name="obj">要发送的对象</param>
        public void Send(object obj)
        {
            if (this.IsConnected)
            {
                byte[] data = this.CreateArgPackage(obj);
                this.m_Client.Send(data, data.Length);
            }
            else
            {
                throw new Exception("必须先连接默认主机");
            }
        }

/// <summary>
        /// 将对象发送到指定的主机。若调用了Connect方法连接了默认主机,则此方法不可用。
        /// </summary>
        /// <param name="obj">要发送的对象</param>
        /// <param name="remoteIEP">目标主机的网络端点</param>
        public void Send(object obj, IPEndPoint remoteIEP)
        {
            if (this.IsConnected)
            {
                throw new Exception("已经连接了默认主机");
            }
            else
            {
                byte[] data = this.CreateArgPackage(obj);
                this.m_Client.Send(data, data.Length, remoteIEP);
            }
        }

/// <summary>
        /// 监听接收数据线程方法
        /// </summary>
        protected void Listen()
        {
            BinaryFormatter Serializer = new BinaryFormatter();
            IPEndPoint RemoteIpEndPoint = new IPEndPoint(IPAddress.Any, 0);
            while (true)
            {
                try
                {
                    object revobj = Serializer.Deserialize(new System.IO.MemoryStream(m_Client.Receive(ref RemoteIpEndPoint)));
                    ReceiveObjectEventArgs revarg = (ReceiveObjectEventArgs)revobj;//
                    RemoteIpEndPoint.Port = revarg.RemoteIEP.Port;
                    revarg.RemoteIEP = RemoteIpEndPoint;
                    if (this.ReceiveObject != null)//判断事件是否发生
                    {
                        this.ReceiveObject(this, revarg);//触发事件函数,但程序中未绑定事件函数
                    }
                }
                catch
                {
                    break;
                }
            }
        }

#region 公共属性区

/// <summary>
        /// 返回或设置接收对象的端口号
        /// </summary>
        public int Port
        {
            get
            {
                return this.m_Port;
            }
            set
            {
                this.m_Port = value;
            }
        }

/// <summary>
        /// 返回对象发送器是否已经初始化并开始工作
        /// </summary>
        public bool IsStart
        {
            get
            {
                return this.m_IsStart;
            }
        }

/// <summary>
        /// 返回对象发送器是否已经连接默认远程主机
        /// </summary>
        public bool IsConnected
        {
            get
            {
                return this.m_IsConnected;
            }
        }

#endregion

#region IDisposable 成员

public void Dispose()
        {
            // TODO: 添加 ObjectTransferClient.Dispose 实现
            this.m_Client.Close();
            this.ListenThread.Abort();
        }
        #endregion
    }

/// <summary>
    /// 接收对象事件参数
    /// </summary>
   
    [Serializable]
    public class ReceiveObjectEventArgs : EventArgs
    {
        private object _obj;
        private System.Net.IPEndPoint _iep;

/// <summary>
        /// 构建一个接收对象事件的参数
        /// </summary>
        /// <param name="obj">接收到的对象</param>
        /// <param name="iep">发送者的网络端点</param>
        internal ReceiveObjectEventArgs(object obj, System.Net.IPEndPoint iep)
        {
            this._obj = obj;
            this._iep = iep;
        }

/// <summary>
        /// 构建一个空的接收对象事件参数
        /// </summary>
        public ReceiveObjectEventArgs()
            : this(null, null)
        {
        }

/// <summary>
        /// 接收到的对象
        /// </summary>
        public object Obj
        {
            get
            {
                return this._obj;
            }
        }
        /// <summary>
        /// 发送方的网络端点
        /// </summary>
        public System.Net.IPEndPoint RemoteIEP
        {
            get
            {
                return this._iep;
            }
            set
            {
                this._iep = value;
            }
        }
    }

/// <summary>
    /// 接收对象事件的委托
    /// </summary>
    public delegate void ReceiveObjectEventHandler(object sender, ReceiveObjectEventArgs e);
}

/// <summary>
        /// 接收到对象事件
        /// </summary>
        public event ReceiveObjectEventHandler ReceiveObject;

/// <summary>
        /// 构建一个对象传送器,默认端口7321
        /// </summary>
        public ObjectTransferClient()
            : this(7321)
        {
            //
            // TODO: 在此处添加构造函数逻辑
            //
        }

/// <summary>
        /// 指定端口号构建一个对象传送器。
        /// </summary>
        /// <param name="port">端口号</param>
        public ObjectTransferClient(int port)
        {
            this.m_Port = port;
            this.m_IsConnected = false;
            this.m_IsStart = false;
        }

/// <summary>
        /// 初始化传送器并开始工作
        /// </summary>
        public void Start()
        {
            if (!this.m_IsStart)
            {
                this.m_Client = new UdpClient(this.m_Port);
                ListenThread = new Thread(new ThreadStart(this.Listen));
                ListenThread.Start();
                this.m_IsStart = true;
            }
        }

/// <summary>
        /// 使用指定的主机名和端口连接默认的远程主机
        /// </summary>
        /// <param name="hostname">主机名</param>
        /// <param name="port">端口</param>
        public void Connect(string hostname, int port)
        {
            this.m_Client.Connect(hostname, port);
        }

/// <summary>
        /// 使用指定的IP地址和端口连接默认的远程主机
        /// </summary>
        /// <param name="ipaddress">IP地址</param>
        /// <param name="port">端口</param>
        public void Connect(IPAddress ipaddress, int port)
        {
            this.m_Client.Connect(ipaddress, port);
        }

/// <summary>
        /// 使用网络终结点连接默认的远程主机
        /// </summary>
        /// <param name="iep">网络端点</param>
        public void Connect(IPEndPoint iep)
        {
            this.m_Client.Connect(iep);
        }

private byte[] CreateArgPackage(object obj)
        {
            IPEndPoint local = new IPEndPoint(IPAddress.Any, this.m_Port);
            System.IO.MemoryStream outStream = new System.IO.MemoryStream();
            this.Serializer.Serialize(outStream, new ReceiveObjectEventArgs(obj, local));
            return outStream.ToArray();
        }

/// <summary>
        /// 将对象发送到默认主机。调用此方法前必须先调用Connect方法连接默认主机。
        /// </summary>
        /// <param name="obj">要发送的对象</param>
        public void Send(object obj)
        {
            if (this.IsConnected)
            {
                byte[] data = this.CreateArgPackage(obj);
                this.m_Client.Send(data, data.Length);
            }
            else
            {
                throw new Exception("必须先连接默认主机");
            }
        }

/// <summary>
        /// 将对象发送到指定的主机。若调用了Connect方法连接了默认主机,则此方法不可用。
        /// </summary>
        /// <param name="obj">要发送的对象</param>
        /// <param name="remoteIEP">目标主机的网络端点</param>
        public void Send(object obj, IPEndPoint remoteIEP)
        {
            if (this.IsConnected)
            {
                throw new Exception("已经连接了默认主机");
            }
            else
            {
                byte[] data = this.CreateArgPackage(obj);
                this.m_Client.Send(data, data.Length, remoteIEP);
            }
        }

/// <summary>
        /// 监听接收数据线程方法
        /// </summary>
        protected void Listen()
        {
            BinaryFormatter Serializer = new BinaryFormatter();
            IPEndPoint RemoteIpEndPoint = new IPEndPoint(IPAddress.Any, 0);
            while (true)
            {
                try
                {
                    object revobj = Serializer.Deserialize(new System.IO.MemoryStream(m_Client.Receive(ref RemoteIpEndPoint)));
                    ReceiveObjectEventArgs revarg = (ReceiveObjectEventArgs)revobj;
                    RemoteIpEndPoint.Port = revarg.RemoteIEP.Port;
                    revarg.RemoteIEP = RemoteIpEndPoint;
                    if (this.ReceiveObject != null)//判断事件是否发生
                    {
                        this.ReceiveObject(this, revarg);//触发事件函数
                    }
                }
                catch
                {
                    break;
                }
            }
        }

#region 公共属性区

/// <summary>
        /// 返回或设置接收对象的端口号
        /// </summary>
        public int Port
        {
            get
            {
                return this.m_Port;
            }
            set
            {
                this.m_Port = value;
            }
        }

/// <summary>
        /// 返回对象发送器是否已经初始化并开始工作
        /// </summary>
        public bool IsStart
        {
            get
            {
                return this.m_IsStart;
            }
        }

/// <summary>
        /// 返回对象发送器是否已经连接默认远程主机
        /// </summary>
        public bool IsConnected
        {
            get
            {
                return this.m_IsConnected;
            }
        }

#endregion

#region IDisposable 成员

public void Dispose()
        {
            // TODO: 添加 ObjectTransferClient.Dispose 实现
            this.m_Client.Close();
            this.ListenThread.Abort();
        }
        #endregion
    }

/// <summary>
    /// 接收对象事件参数
    /// </summary>
   
    [Serializable]
    public class ReceiveObjectEventArgs : EventArgs
    {
        private object _obj;
        private System.Net.IPEndPoint _iep;

/// <summary>
        /// 构建一个接收对象事件的参数
        /// </summary>
        /// <param name="obj">接收到的对象</param>
        /// <param name="iep">发送者的网络端点</param>
        internal ReceiveObjectEventArgs(object obj, System.Net.IPEndPoint iep)
        {
            this._obj = obj;
            this._iep = iep;
        }

/// <summary>
        /// 构建一个空的接收对象事件参数
        /// </summary>
        public ReceiveObjectEventArgs()
            : this(null, null)
        {
        }

/// <summary>
        /// 接收到的对象
        /// </summary>
        public object Obj
        {
            get
            {
                return this._obj;
            }
        }
        /// <summary>
        /// 发送方的网络端点
        /// </summary>
        public System.Net.IPEndPoint RemoteIEP
        {
            get
            {
                return this._iep;
            }
            set
            {
                this._iep = value;
            }
        }
    }

/// <summary>
    /// 接收对象事件的委托
    /// </summary>
    public delegate void ReceiveObjectEventHandler(object sender, ReceiveObjectEventArgs e);
}

/// <summary>
        /// 接收到对象事件
        /// </summary>
        public event ReceiveObjectEventHandler ReceiveObject;

/// <summary>
        /// 构建一个对象传送器,默认端口7321
        /// </summary>
        public ObjectTransferClient()
            : this(7321)
        {
            //
            // TODO: 在此处添加构造函数逻辑
            //
        }

/// <summary>
        /// 指定端口号构建一个对象传送器。
        /// </summary>
        /// <param name="port">端口号</param>
        public ObjectTransferClient(int port)
        {
            this.m_Port = port;
            this.m_IsConnected = false;
            this.m_IsStart = false;
        }

/// <summary>
        /// 初始化传送器并开始工作
        /// </summary>
        public void Start()
        {
            if (!this.m_IsStart)
            {
                this.m_Client = new UdpClient(this.m_Port);
                ListenThread = new Thread(new ThreadStart(this.Listen));
                ListenThread.Start();
                this.m_IsStart = true;
            }
        }

/// <summary>
        /// 使用指定的主机名和端口连接默认的远程主机
        /// </summary>
        /// <param name="hostname">主机名</param>
        /// <param name="port">端口</param>
        public void Connect(string hostname, int port)
        {
            this.m_Client.Connect(hostname, port);
        }

/// <summary>
        /// 使用指定的IP地址和端口连接默认的远程主机
        /// </summary>
        /// <param name="ipaddress">IP地址</param>
        /// <param name="port">端口</param>
        public void Connect(IPAddress ipaddress, int port)
        {
            this.m_Client.Connect(ipaddress, port);
        }

/// <summary>
        /// 使用网络终结点连接默认的远程主机
        /// </summary>
        /// <param name="iep">网络端点</param>
        public void Connect(IPEndPoint iep)
        {
            this.m_Client.Connect(iep);
        }

private byte[] CreateArgPackage(object obj)
        {
            IPEndPoint local = new IPEndPoint(IPAddress.Any, this.m_Port);
            System.IO.MemoryStream outStream = new System.IO.MemoryStream();
            this.Serializer.Serialize(outStream, new ReceiveObjectEventArgs(obj, local));
            return outStream.ToArray();
        }

/// <summary>
        /// 将对象发送到默认主机。调用此方法前必须先调用Connect方法连接默认主机。
        /// </summary>
        /// <param name="obj">要发送的对象</param>
        public void Send(object obj)
        {
            if (this.IsConnected)
            {
                byte[] data = this.CreateArgPackage(obj);
                this.m_Client.Send(data, data.Length);
            }
            else
            {
                throw new Exception("必须先连接默认主机");
            }
        }

/// <summary>
        /// 将对象发送到指定的主机。若调用了Connect方法连接了默认主机,则此方法不可用。
        /// </summary>
        /// <param name="obj">要发送的对象</param>
        /// <param name="remoteIEP">目标主机的网络端点</param>
        public void Send(object obj, IPEndPoint remoteIEP)
        {
            if (this.IsConnected)
            {
                throw new Exception("已经连接了默认主机");
            }
            else
            {
                byte[] data = this.CreateArgPackage(obj);
                this.m_Client.Send(data, data.Length, remoteIEP);
            }
        }

/// <summary>
        /// 监听接收数据线程方法
        /// </summary>
        protected void Listen()
        {
            BinaryFormatter Serializer = new BinaryFormatter();
            IPEndPoint RemoteIpEndPoint = new IPEndPoint(IPAddress.Any, 0);
            while (true)
            {
                try
                {
                    object revobj = Serializer.Deserialize(new System.IO.MemoryStream(m_Client.Receive(ref RemoteIpEndPoint)));
                    ReceiveObjectEventArgs revarg = (ReceiveObjectEventArgs)revobj;
                    RemoteIpEndPoint.Port = revarg.RemoteIEP.Port;
                    revarg.RemoteIEP = RemoteIpEndPoint;
                    if (this.ReceiveObject != null)
                    {
                        this.ReceiveObject(this, revarg);
                    }
                }
                catch
                {
                    break;
                }
            }
        }

#region 公共属性区

/// <summary>
        /// 返回或设置接收对象的端口号
        /// </summary>
        public int Port
        {
            get
            {
                return this.m_Port;
            }
            set
            {
                this.m_Port = value;
            }
        }

/// <summary>
        /// 返回对象发送器是否已经初始化并开始工作
        /// </summary>
        public bool IsStart
        {
            get
            {
                return this.m_IsStart;
            }
        }

/// <summary>
        /// 返回对象发送器是否已经连接默认远程主机
        /// </summary>
        public bool IsConnected
        {
            get
            {
                return this.m_IsConnected;
            }
        }

#endregion

#region IDisposable 成员

public void Dispose()
        {
            // TODO: 添加 ObjectTransferClient.Dispose 实现
            this.m_Client.Close();
            this.ListenThread.Abort();
        }
        #endregion
    }

/// <summary>
    /// 接收对象事件参数
    /// </summary>
   
    [Serializable]
    public class ReceiveObjectEventArgs : EventArgs
    {
        private object _obj;
        private System.Net.IPEndPoint _iep;

/// <summary>
        /// 构建一个接收对象事件的参数
        /// </summary>
        /// <param name="obj">接收到的对象</param>
        /// <param name="iep">发送者的网络端点</param>
        internal ReceiveObjectEventArgs(object obj, System.Net.IPEndPoint iep)
        {
            this._obj = obj;
            this._iep = iep;
        }

/// <summary>
        /// 构建一个空的接收对象事件参数
        /// </summary>
        public ReceiveObjectEventArgs()
            : this(null, null)
        {
        }

/// <summary>
        /// 接收到的对象
        /// </summary>
        public object Obj
        {
            get
            {
                return this._obj;
            }
        }
        /// <summary>
        /// 发送方的网络端点
        /// </summary>
        public System.Net.IPEndPoint RemoteIEP
        {
            get
            {
                return this._iep;
            }
            set
            {
                this._iep = value;
            }
        }
    }

/// <summary>
    /// 接收对象事件的委托
    /// </summary>
    public delegate void ReceiveObjectEventHandler(object sender, ReceiveObjectEventArgs e);
}

/// <summary>
        /// 接收到对象事件
        /// </summary>
        public event ReceiveObjectEventHandler ReceiveObject;

/// <summary>
        /// 构建一个对象传送器,默认端口7321
        /// </summary>
        public ObjectTransferClient()
            : this(7321)
        {
            //
            // TODO: 在此处添加构造函数逻辑
            //
        }

/// <summary>
        /// 指定端口号构建一个对象传送器。
        /// </summary>
        /// <param name="port">端口号</param>
        public ObjectTransferClient(int port)
        {
            this.m_Port = port;
            this.m_IsConnected = false;
            this.m_IsStart = false;
        }

/// <summary>
        /// 初始化传送器并开始工作
        /// </summary>
        public void Start()
        {
            if (!this.m_IsStart)
            {
                this.m_Client = new UdpClient(this.m_Port);
                ListenThread = new Thread(new ThreadStart(this.Listen));
                ListenThread.Start();
                this.m_IsStart = true;
            }
        }

/// <summary>
        /// 使用指定的主机名和端口连接默认的远程主机
        /// </summary>
        /// <param name="hostname">主机名</param>
        /// <param name="port">端口</param>
        public void Connect(string hostname, int port)
        {
            this.m_Client.Connect(hostname, port);
        }

/// <summary>
        /// 使用指定的IP地址和端口连接默认的远程主机
        /// </summary>
        /// <param name="ipaddress">IP地址</param>
        /// <param name="port">端口</param>
        public void Connect(IPAddress ipaddress, int port)
        {
            this.m_Client.Connect(ipaddress, port);
        }

/// <summary>
        /// 使用网络终结点连接默认的远程主机
        /// </summary>
        /// <param name="iep">网络端点</param>
        public void Connect(IPEndPoint iep)
        {
            this.m_Client.Connect(iep);
        }

private byte[] CreateArgPackage(object obj)
        {
            IPEndPoint local = new IPEndPoint(IPAddress.Any, this.m_Port);
            System.IO.MemoryStream outStream = new System.IO.MemoryStream();
            this.Serializer.Serialize(outStream, new ReceiveObjectEventArgs(obj, local));
            return outStream.ToArray();
        }

/// <summary>
        /// 将对象发送到默认主机。调用此方法前必须先调用Connect方法连接默认主机。
        /// </summary>
        /// <param name="obj">要发送的对象</param>
        public void Send(object obj)
        {
            if (this.IsConnected)
            {
                byte[] data = this.CreateArgPackage(obj);
                this.m_Client.Send(data, data.Length);
            }
            else
            {
                throw new Exception("必须先连接默认主机");
            }
        }

/// <summary>
        /// 将对象发送到指定的主机。若调用了Connect方法连接了默认主机,则此方法不可用。
        /// </summary>
        /// <param name="obj">要发送的对象</param>
        /// <param name="remoteIEP">目标主机的网络端点</param>
        public void Send(object obj, IPEndPoint remoteIEP)
        {
            if (this.IsConnected)
            {
                throw new Exception("已经连接了默认主机");
            }
            else
            {
                byte[] data = this.CreateArgPackage(obj);
                this.m_Client.Send(data, data.Length, remoteIEP);
            }
        }

/// <summary>
        /// 监听接收数据线程方法
        /// </summary>
        protected void Listen()
        {
            BinaryFormatter Serializer = new BinaryFormatter();
            IPEndPoint RemoteIpEndPoint = new IPEndPoint(IPAddress.Any, 0);
            while (true)
            {
                try
                {
                    object revobj = Serializer.Deserialize(new System.IO.MemoryStream(m_Client.Receive(ref RemoteIpEndPoint)));
                    ReceiveObjectEventArgs revarg = (ReceiveObjectEventArgs)revobj;
                    RemoteIpEndPoint.Port = revarg.RemoteIEP.Port;
                    revarg.RemoteIEP = RemoteIpEndPoint;
                    if (this.ReceiveObject != null)
                    {
                        this.ReceiveObject(this, revarg);
                    }
                }
                catch
                {
                    break;
                }
            }
        }

#region 公共属性区

/// <summary>
        /// 返回或设置接收对象的端口号
        /// </summary>
        public int Port
        {
            get
            {
                return this.m_Port;
            }
            set
            {
                this.m_Port = value;
            }
        }

/// <summary>
        /// 返回对象发送器是否已经初始化并开始工作
        /// </summary>
        public bool IsStart
        {
            get
            {
                return this.m_IsStart;
            }
        }

/// <summary>
        /// 返回对象发送器是否已经连接默认远程主机
        /// </summary>
        public bool IsConnected
        {
            get
            {
                return this.m_IsConnected;
            }
        }

#endregion

#region IDisposable 成员

public void Dispose()
        {
            // TODO: 添加 ObjectTransferClient.Dispose 实现
            this.m_Client.Close();
            this.ListenThread.Abort();
        }
        #endregion
    }

/// <summary>
    /// 接收对象事件参数
    /// </summary>
    [Serializable]
    public class ReceiveObjectEventArgs : EventArgs
    {
        private object _obj;
        private System.Net.IPEndPoint _iep;

/// <summary>
        /// 构建一个接收对象事件的参数
        /// </summary>
        /// <param name="obj">接收到的对象</param>
        /// <param name="iep">发送者的网络端点</param>
        internal ReceiveObjectEventArgs(object obj, System.Net.IPEndPoint iep)
        {
            this._obj = obj;
            this._iep = iep;
        }

/// <summary>
        /// 构建一个空的接收对象事件参数
        /// </summary>
        public ReceiveObjectEventArgs()
            : this(null, null)
        {
        }

/// <summary>
        /// 接收到的对象
        /// </summary>
        public object Obj
        {
            get
            {
                return this._obj;
            }
        }
        /// <summary>
        /// 发送方的网络端点
        /// </summary>
        public System.Net.IPEndPoint RemoteIEP
        {
            get
            {
                return this._iep;
            }
            set
            {
                this._iep = value;
            }
        }
    }

/// <summary>
    /// 接收对象事件的委托
    /// </summary>
    public delegate void ReceiveObjectEventHandler(object sender, ReceiveObjectEventArgs e);
}

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