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）;
????????IPAddress?ip2;
????????IPEndPoint?point2?=?new?IPEndPoint（IPAddress.Any?0）;
????????string?protocol;
????????Socket?aimSocket;
????????Socket?aimSocket2;
????????Socket?mySocket;
????????UdpClient?RecUdpClient;
????????//IPEndPoint?remote;
????????private?void?Form1_Load（object?sender?EventArgs?e）//初始化為UDP?Server模式
????????{
????????????cobProtocol.SelectedIndex?=?0;
????????????txtIP.Text?=?GetAddressIP（）;
??????????//??txtIP2.Text?=?GetAddressIP（）;
????????????Control.CheckForIllegalCrossThreadCalls?=?false;
????????}
????????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;
????????}
????????Thread?thReceive?=?null;
????????private?void?btnStart_Click（object?sender?EventArgs?e）//設置目標IP（Client），本地IP（Server）
????????{
????????????try
????????????{
????????????????if?（protocol?==?“UDP?Server“）
????????????????{
????????????????????if?（btnStart.Text?==?“連接“）
????????????????????{
????????????????????????btnStart.Text?=?“斷開“;
????????????????????????aimSocket?=?new?Socket（AddressFamily.InterNetwork?SocketType.Dgram?ProtocolType.Udp）;
????????????????????????RecUdpClient?=?new?UdpClient（new?IPEndPoint（ip?Convert.ToInt32（txtPort.Text）））;
???????????????????????//?MessageBox.Show（“UDP?Server創建成功“）;
??????????????????????????thReceive?=?new?Thread（USReceive）;
????????????????????????thReceive.IsBackground?=?true;
????????????????????????thReceive.Start（）;
?????????????????
????????????????????}
????????????????????else
????????????????????{
????????????????????????if（thReceive!=null）
????????????????????????{?
????????????????????????thReceive.Abort（）;
????????????????????????btnStart.Text?=?“連接“;
?????????????????????????}
????????????????????}
????????????????}
????????????????else?if?（protocol?==?“UDP?Client“）//UPD客戶端，目標IP和端口??調用Socket.SendTo
????????????????{
????????????????????aimSocket?=?new?Socket（AddressFamily.InterNetwork?SocketType.Dgram?ProtocolType.Udp）;//建立通信的Socket
????????????????????ip?=?IPAddress.Parse（txtIP.Text）;
????????????????????point?=?new?IPEnd

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

????..A..H.?????47616??2017-07-05?17:02??NetWork\.vs\NetWork\v14\.suo

?????文件????????187??2015-09-18?10:57??NetWork\NetWork\App.config

?????文件?????????64??2017-07-07?15:55??NetWork\NetWork\bin\Debug\app.ini

?????文件??????28672??2017-07-07?15:55??NetWork\NetWork\bin\Debug\NetWork.exe

?????文件????????187??2015-09-18?10:57??NetWork\NetWork\bin\Debug\NetWork.exe.config

?????文件??????48640??2017-07-07?15:55??NetWork\NetWork\bin\Debug\NetWork.pdb

?????文件??????22696??2017-07-07?15:59??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??2015-06-04?12:48??NetWork\NetWork\bin\Debug\NetWork.vshost.exe.manifest

?????文件??????20328??2017-07-07?15:55??NetWork\NetWork\Form1.cs

?????文件??????19159??2017-07-07?15:55??NetWork\NetWork\Form1.Designer.cs

?????文件???????8595??2017-07-07?15:55??NetWork\NetWork\Form1.resx

?????文件???????3830??2017-07-04?15:52??NetWork\NetWork\NetWork.csproj

?????文件??????17261??2017-07-07?15:47??NetWork\NetWork\nginx.cs

?????文件???????1452??2017-07-04?16:27??NetWork\NetWork\obj\Debug\DesignTimeResolveAssemblyReferences.cache

?????文件???????6991??2017-07-04?15:42??NetWork\NetWork\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache

?????文件???????1461??2017-07-07?15:59??NetWork\NetWork\obj\Debug\NetWork.csproj.FileListAbsolute.txt

?????文件????????976??2017-07-07?15:55??NetWork\NetWork\obj\Debug\NetWork.csproj.GenerateResource.Cache

?????文件???????2210??2017-07-04?10:24??NetWork\NetWork\obj\Debug\NetWork.csprojResolveAssemblyReference.cache

?????文件??????28672??2017-07-07?15:55??NetWork\NetWork\obj\Debug\NetWork.exe

?????文件????????180??2017-07-07?15:55??NetWork\NetWork\obj\Debug\NetWork.Form1.resources

?????文件??????48640??2017-07-07?15:55??NetWork\NetWork\obj\Debug\NetWork.pdb

?????文件????????180??2017-07-04?15:52??NetWork\NetWork\obj\Debug\NetWork.Properties.Resources.resources

?????文件??????????0??2015-09-18?10:57??NetWork\NetWork\obj\Debug\TemporaryGeneratedFile_036C0B5B-1481-4323-8D20-8F5ADCB23D92.cs

?????文件??????????0??2015-09-18?10:57??NetWork\NetWork\obj\Debug\TemporaryGeneratedFile_5937a670-0e60-4077-877b-f7221da3dda1.cs

?????文件??????????0??2015-09-18?10:57??NetWork\NetWork\obj\Debug\TemporaryGeneratedFile_E7A71F73-0F8D-4B9B-B56E-8E70B10BC5D3.cs

?????文件???????1661??2017-07-07?15:16??NetWork\NetWork\Program.cs

?????文件???????1356??2015-09-18?10:57??NetWork\NetWork\Properties\AssemblyInfo.cs

?????文件???????2866??2015-09-18?10:57??NetWork\NetWork\Properties\Resources.Designer.cs

?????文件???????5612??2015-09-18?10:57??NetWork\NetWork\Properties\Resources.resx

............此處省略22個文件信息