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?_2222222
{
????public?partial?class?frmClient?:?Form
????{
????????public?frmClient（）
????????{
????????????InitializeComponent（）;
????????????TextBox.CheckForIllegalCrossThreadCalls?=?false;
????????}

????????Thread?threadClient?=?null;?//?創(chuàng)建用于接收服務(wù)端消息的?線程；
????????Socket?sockClient?=?null;
????????private?void?btnConnect_Click（object?sender?EventArgs?e）
????????{
????????????IPAddress?ip?=?IPAddress.Parse（txtIp.Text.Trim（））;
????????????IPEndPoint?endPoint=new?IPEndPoint?（ipint.Par