using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Data;
using?System.Drawing;
using?System.Text;
using?System.Windows.Forms;
using?System.Net;
using?System.Net.Sockets;

namespace?TalkingClient
{
????public?partial?class?Login?:?Form
????{
????????///?

????????///?ip地址
????????///?

????????private?IPAddress?ipAddr;
????????///?

????????///?端口
????????///?

????????private?int?port;
????????public?Login（）
????????{
????????????InitializeComponent（）;
????????}

????????private?void?btnClose_Click（object?sender?EventArgs?e）
????????{
????????????this.Close（）;
????????}
????????private?void?Login_Load（object?sender?EventArgs?e）
????????{
????????????txtIP.Text?=?“192.168.10.45“;
????????????txtPort.Text?=?“8888“;
????????}
????????private?void?btnLogin_Click（object?sender?EventArgs?e）
????????{
????????????if?（!ValidateInfo（））
????????????{
????????????????return;
????????????}
????????????//向服務器發出連接請求
????????????TCPConnection?conn?=?new?TCPConnection（ipAddr?port）;
????????????TcpClient?tcpc=?conn.Connect（）;
????????????if?（tcpc?==?null）
????????????{
????????????????MessageBox.Show（“無法連接服務器!“?
??????????????????????????????????????????“錯誤“
??????????????????????????????????????????MessageBoxButtons.OK
??????????????????????????????????????????MessageBoxIcon.Exclamation）;
????????????}
????????????else
????????????{
????????????????NetworkStream?netStream?=?tcpc.GetStream（）;//提供用于訪問網絡的基本數據線
????????????????string?userName=txtUserName.Text.Trim（）;
????????????????//向服務器發送用戶名以及確認身份
????????????????netStream.Write（Encoding.Unicode.GetBytes（userName）0Encoding.Unicode.GetBytes（userName）.Length）;
????????????????//獲取登入結果并寫入buffer
????????????????byte[]?buffer?=?new?byte[50];
????????????????netStream.Read（buffer?0?buffer.Length）;
????????????????string?connResult?=?Encoding.Unicode.GetString（buffer）.TrimEnd（‘\0‘）;
????????????????if?（connResult.Equals（“cmd::Failure“））
????????????????{
????????????????????MessageBox.Show（“您的用戶名已經被使用，請嘗試其他用戶名!“
????????????????????????????????????“溫馨提示“
????????????????????????????????????MessageBoxButtons.OK
????????????????????????????????????MessageBoxIcon.Information）;
????????????????}
????????????????else
????????????????{
????????????????????string?serverName=ipAddr+“:“+port;
????????????????????Talking?talking?=?new?Talking（userName?serverName?netStream）;
????????????????????talking.Owner?=?this;
????????????????????this.Hide（）;
????????????????????talking.Show（）;
????????????????}
????????????}
????????}
????????///?

????????///?驗證登入信息
????????///?

????????///?
????????private?bool?ValidateInfo（）
????????{
????????????if?（!IPAddress.TryParse（txtIP.Text.Trim（）?out?ipAddr））
????????????{
????????????????MessageBox.Show（“IP地址不合法!“?
???????????????????????????????????????????“溫馨提示“
?????????????????

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????10134??2011-08-05?14:50??TalkingSolution\TalkingClient\AquaOS.ico

?????文件?????169472??2011-08-05?16:27??TalkingSolution\TalkingClient\bin\Debug\TalkingClient.exe

?????文件??????50688??2011-08-05?16:27??TalkingSolution\TalkingClient\bin\Debug\TalkingClient.pdb

?????文件??????14328??2011-08-05?16:27??TalkingSolution\TalkingClient\bin\Debug\TalkingClient.vshost.exe

?????文件????????490??2007-07-21?01:33??TalkingSolution\TalkingClient\bin\Debug\TalkingClient.vshost.exe.manifest

?????文件???????4208??2011-08-05?15:47??TalkingSolution\TalkingClient\Login.cs

?????文件???????6630??2011-08-05?15:47??TalkingSolution\TalkingClient\Login.Designer.cs

?????文件??????21312??2011-08-05?15:47??TalkingSolution\TalkingClient\Login.resx

?????文件???????1696??2011-08-05?16:27??TalkingSolution\TalkingClient\obj\Debug\TalkingClient.csproj.FileListAbsolute.txt

?????文件????????983??2011-08-05?16:23??TalkingSolution\TalkingClient\obj\Debug\TalkingClient.csproj.GenerateResource.Cache

?????文件?????169472??2011-08-05?16:27??TalkingSolution\TalkingClient\obj\Debug\TalkingClient.exe

?????文件??????10700??2011-08-05?15:47??TalkingSolution\TalkingClient\obj\Debug\TalkingClient.Login.resources

?????文件??????50688??2011-08-05?16:27??TalkingSolution\TalkingClient\obj\Debug\TalkingClient.pdb

?????文件?????101742??2011-08-05?14:50??TalkingSolution\TalkingClient\obj\Debug\TalkingClient.Properties.Resources.resources

?????文件??????23792??2011-08-05?16:23??TalkingSolution\TalkingClient\obj\Debug\TalkingClient.Talking.resources

?????文件???????4608??2011-08-04?20:57??TalkingSolution\TalkingClient\obj\Debug\TempPE\Properties.Resources.Designer.cs.dll

?????文件????????474??2011-08-04?10:31??TalkingSolution\TalkingClient\Program.cs

?????文件???????1372??2011-08-04?09:12??TalkingSolution\TalkingClient\Properties\AssemblyInfo.cs

?????文件???????3240??2011-08-04?20:57??TalkingSolution\TalkingClient\Properties\Resources.Designer.cs

?????文件???????6423??2011-08-04?20:57??TalkingSolution\TalkingClient\Properties\Resources.resx

?????文件???????1098??2011-08-04?09:12??TalkingSolution\TalkingClient\Properties\Settings.Designer.cs

?????文件????????249??2011-08-04?09:12??TalkingSolution\TalkingClient\Properties\Settings.settings

?????文件??????10134??2011-08-05?11:43??TalkingSolution\TalkingClient\Resources\AquaOS.ico

?????文件???????7258??2011-08-04?20:56??TalkingSolution\TalkingClient\Resources\msg.wav

?????文件??????94252??2011-08-04?20:56??TalkingSolution\TalkingClient\Resources\nudge.wav

?????文件??????17164??2011-08-05?16:27??TalkingSolution\TalkingClient\Talking.cs

?????文件??????14931??2011-08-05?16:23??TalkingSolution\TalkingClient\Talking.Designer.cs

?????文件??????40987??2011-08-05?16:23??TalkingSolution\TalkingClient\Talking.resx

?????文件???????4013??2011-08-05?14:50??TalkingSolution\TalkingClient\TalkingClient.csproj

?????文件????????912??2011-08-04?11:06??TalkingSolution\TalkingClient\TCPConnection.cs

............此處省略33個文件信息