private void Receive(Socket socket)

　{

　NetworkStream ns = new NetworkStream(socket);

　FileStream fs = new FileStream("c:\\file.txt", FileMode.OpenOrCreate);

　bool isRead = true;

　while (isRead)

　{

　int count = ns.Read(this._receiveBuf, 0, this._receiveBuf.Length);

　int datanum = 0;

　datanum = BitConverter.ToInt32(this._receiveBuf, 0);  //从buffer中的前4个字节读出count

　if (datanum > 0)                                      //确定每次要接受多少字节数

　{

　fs.Write(this._receiveBuf, 4, datanum);

　}

　else                              //如果接受字节数为0 就推出

　{

　isRead = false;

　}

　}

　this.txtFile.Text = "文件传输成功";

　fs.Close();

　}

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