using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Data;
using?System.Drawing;
using?System.Linq;
using?System.Net;
using?System.Net.Sockets;
using?System.Text;
using?System.Threading;
using?System.Threading.Tasks;
using?System.Windows.Forms;
using?System.IO;

namespace?NetWork
{
????public?partial?class?Form1?:?Form
????{
????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????}
????????IPAddress?ip;
????????IPEndPoint?point?=?new?IPEndPoint（IPAddress.Any0）;
????????string?protocol;
????????Socket?aimSocket;

????????int?TextButtonFlag?=?0;//是否點擊測試按鈕??0-否?1-點擊
????????int?SaveDataButtonFlag?=?0;//是否點擊保存數據按鈕?0-否?1-點擊
????????string?FileName;//文件名
????????StreamWriter?WriteFile;//寫入數據流
????????FileStream?fs;//文件流
????????bool?ConnectState?=?false;?//true?代表成功
????????bool?TestSendReceiveState?=?false;?//true?代表成功
????????private?void?Form1_Load（object?sender?EventArgs?e）//初始化為TCP?Client模式
????????{
????????????//?[0]?TCP?Client
????????????cobProtocol.SelectedIndex?=?0;//
????????????txtIP.Text?=?GetAddressIP（）;
????????????Control.CheckForIllegalCrossThreadCalls?=?false;

????????????timer1.Start（）;?

????????}
????????string?GetAddressIP（）
????????{
????????????string?AddressIP?=?““;
????????????foreach?（IPAddress?_IPAddress?in?Dns.GetHostEntry（Dns.GetHostName（））.AddressList）
????????????{
????????????????if?（_IPAddress.AddressFamily.ToString（）?==?“InterNetwork“）
????????????????{
????????????????????AddressIP?=?_IPAddress.ToString（）;
????????????????????ip?=?_IPAddress;//設定全局的IP
????????????????}
????????????}
????????????return?AddressIP;
????????}
????????private?delegate?string?ConnectSocketDelegate（IPEndPoint?ipep?Socket?sock）;
????????private?string?ConnectSocket（IPEndPoint?ipep?Socket?sock）
????????{
????????????string?exmessage?=?““;
????????????try
????????????{
????????????????sock.Connect（ipep）;
????????????}
????????????catch?（System.Exception?ex）
????????????{
????????????????exmessage?=?ex.Message;
????????????}
????????????finally
????????????{
????????????}

????????????return?exmessage;
????????}

????????private?void?btnStart_Click（object?sender?EventArgs?e）//設置目標IP（Client），本地IP（Server）
????????{
????????????if?（btnStart.Text.Trim（）.Equals（“連接“））
????????????{
????????????????try
????????????????{
????????????????????if?（protocol?==?“TCP?Client“）
????????????????????{
????????????????????????ip?=?IPAddress.Parse（txtIP.Text）;//目標IP
????????????????????????point?=?new?IPEndPoint（ip?Convert.ToInt32（txtPort.Text））;//目標端口
????????????????????????aimSocket?=?new?Socket（AddressFamily.InterNetwork?SocketType.Stream?ProtocolType.Tcp）;
????????????????????????//aimSocket.Connect（point）;//連接服務器

????????????????????????//異步處理?判斷連接是否超時?是否連接成功
????????????????????????ConnectSocketDelegate?connect?=?ConnectSocket;
????????????????????????IAsyncResult?asyncResult?=?connect.BeginInvoke（po

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2015-09-18?10:57??NetWork\
?????目錄???????????0??2018-04-08?23:54??NetWork\NetWork\
?????文件?????????187??2015-09-18?10:57??NetWork\NetWork\App.config
?????目錄???????????0??2015-09-18?10:57??NetWork\NetWork\bin\
?????目錄???????????0??2018-04-08?23:57??NetWork\NetWork\bin\Debug\
?????文件???????????9??2018-04-08?23:49??NetWork\NetWork\bin\Debug\-1_2018-04-08-23-49-28.txt
?????文件???????????9??2018-04-08?23:50??NetWork\NetWork\bin\Debug\-1_2018-04-08-23-50-31.txt
?????文件???????????9??2018-04-08?23:53??NetWork\NetWork\bin\Debug\-1_2018-04-08-23-53-14.txt
?????文件???????????9??2018-04-08?23:57??NetWork\NetWork\bin\Debug\-1_2018-04-08-23-57-40.txt
?????文件???????????9??2018-04-08?23:50??NetWork\NetWork\bin\Debug\dfa-1_2018-04-08-23-50-36.txt
?????文件???????19456??2018-04-08?23:54??NetWork\NetWork\bin\Debug\NetWork.exe
?????文件?????????187??2015-09-18?10:57??NetWork\NetWork\bin\Debug\NetWork.exe.config
?????文件???????40448??2018-04-08?23:54??NetWork\NetWork\bin\Debug\NetWork.pdb
?????文件???????24224??2018-04-08?23:55??NetWork\NetWork\bin\Debug\NetWork.vshost.exe
?????文件?????????187??2015-09-18?10:57??NetWork\NetWork\bin\Debug\NetWork.vshost.exe.config
?????文件?????????490??2016-07-16?19:44??NetWork\NetWork\bin\Debug\NetWork.vshost.exe.manifest
?????文件???????????9??2018-04-08?23:49??NetWork\NetWork\bin\Debug\sds-1_2018-04-08-23-49-33.txt
?????文件???????14143??2018-04-08?23:54??NetWork\NetWork\Form1.cs
?????文件???????17442??2018-04-08?23:54??NetWork\NetWork\Form1.Designer.cs
?????文件????????6011??2018-04-08?23:54??NetWork\NetWork\Form1.resx
?????文件????????3794??2015-09-18?11:31??NetWork\NetWork\NetWork.csproj
?????目錄???????????0??2015-09-18?10:57??NetWork\NetWork\obj\
?????目錄???????????0??2018-04-08?23:54??NetWork\NetWork\obj\Debug\
?????文件????????1453??2018-03-26?17:05??NetWork\NetWork\obj\Debug\DesignTimeResolveAssemblyReferences.cache
?????文件????????6943??2018-02-24?17:36??NetWork\NetWork\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache
?????文件????????1353??2018-04-08?23:56??NetWork\NetWork\obj\Debug\NetWork.csproj.FileListAbsolute.txt
?????文件?????????977??2018-04-08?23:54??NetWork\NetWork\obj\Debug\NetWork.csproj.GenerateResource.Cache
?????文件????????2211??2015-09-18?11:31??NetWork\NetWork\obj\Debug\NetWork.csprojResolveAssemblyReference.cache
?????文件???????19456??2018-04-08?23:54??NetWork\NetWork\obj\Debug\NetWork.exe
?????文件?????????180??2018-04-08?23:54??NetWork\NetWork\obj\Debug\NetWork.Form1.resources
?????文件???????40448??2018-04-08?23:54??NetWork\NetWork\obj\Debug\NetWork.pdb
............此處省略14個文件信息