c# winform socket一次发送多个文件的问题

private void button2_Click(object sender, System.EventArgs e)

{

	//开启文件传输子线程

	Thread TempThread=new Thread(new ThreadStart(this.StartSend));

	TempThread.Start();

	this.button2.Enabled=false;

}

private void StartSend()

{

	try

	{

		//遍历目录

		string[] str = new string[1024];

		for (int imgCount = 0; imgCount < Directory.GetFiles("d:\\aa").Length; imgCount++)

		{

			str[imgCount] = Directory.GetFiles("d:\\aa")[imgCount];





			//创建一个文件对象

			FileInfo EzoneFile = new FileInfo(str[imgCount]);

			//打开文件流

			FileStream EzoneStream = EzoneFile.OpenRead();

			//包的大小

			int PacketSize = int.Parse(this.textBox6.Text);

			//包的数量

			int PacketCount = (int)(EzoneStream.Length / ((long)PacketSize));



			Control.CheckForIllegalCrossThreadCalls = false;



			this.textBox8.Text = PacketCount.ToString();

			this.progressBar1.Maximum = PacketCount;

			//最后一个包的大小

			int LastDataPacket = (int)(EzoneStream.Length - ((long)(PacketSize * PacketCount)));

			this.textBox9.Text = LastDataPacket.ToString();



			//MessageBox.Show(str[imgCount]);

			//指向远程服务端节点

			IPEndPoint ipep = new IPEndPoint(IPAddress.Parse("192.168.1.136"), int.Parse(this.textBox5.Text));





			//创建套接字

			Socket client = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);

			//连接到发送端

			client.Connect(ipep);



			//获得客户端节点对象

			IPEndPoint clientep = (IPEndPoint)client.RemoteEndPoint;

			//获得客户端的IP地址

			//this.textBox7.Text=clientep.Address.ToString();

			//发送[文件名]到客户端

			CommonModule.EzoneModule.SendVarData(client, System.Text.Encoding.Unicode.GetBytes(EzoneFile.Name));

			//发送[包的大小]到客户端

			CommonModule.EzoneModule.SendVarData(client, System.Text.Encoding.Unicode.GetBytes(PacketSize.ToString()));

			//发送[包的总数量]到客户端  

			CommonModule.EzoneModule.SendVarData(client, System.Text.Encoding.Unicode.GetBytes(PacketCount.ToString()));

			//发送[最后一个包的大小]到客户端

			CommonModule.EzoneModule.SendVarData(client, System.Text.Encoding.Unicode.GetBytes(LastDataPacket.ToString()));



			//数据包

			byte[] data = new byte[PacketSize];

			//开始循环发送数据包

			for (int i = 0; i < PacketCount; i++)

			{

				//从文件流读取数据并填充数据包

				EzoneStream.Read(data, 0, data.Length);

				//发送数据包

				CommonModule.EzoneModule.SendVarData(client, data);

				//显示发送数据包的个数

				this.textBox10.Text = ((int)(i + 1)).ToString();

				//进度条值的显示

				this.progressBar1.PerformStep();

			}



			//如果还有多余的数据包,则应该发送完毕!

			if (LastDataPacket != 0)

			{

				data = new byte[LastDataPacket];

				EzoneStream.Read(data, 0, data.Length);

				CommonModule.EzoneModule.SendVarData(client, data);

				this.progressBar1.Value = this.progressBar1.Maximum;

			}



			//关闭套接字

			client.Close();

			//server.Close();

			//关闭文件流

			EzoneStream.Close();

			this.button2.Enabled = true;

			//MessageBox.Show("文件传输完毕!");

			}

	}

	catch (Exception ee)

	{

		MessageBox.Show(ee.Message.ToString());

	}

}