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;

namespace?UDPClient
{
????public?partial?class?FrmClient?:?Form
????{
????????public?FrmClient（）
????????{
????????????InitializeComponent（）;
????????}

????????static?string?sendMsg?=?““;
????????static?byte[]?sendData?=?null;
?????????UdpClient?_udpClient?=?new?UdpClient（）;
????????
????????//發送數據按鈕事件
????????private?void?button1_Click（object?sender?EventArgs?e）
????????{
????????????IPAddress?ServerIP?=?IPAddress.Parse（textBox1.Text.Trim（））;//將textBox1.text里面的值轉換為ipaddress地址類型
????????????IPEndPoint?ServerEndPoint?=?new?IPEndPoint（ServerIP?int.Parse（textBox2.Text））;//實例化一個節點
????????????sendData?=?EncodingASCII（textBox3.Text.Trim（））;//發送數據
????????????_udpClient.Send（sendData?sendData.Length?ServerEndPoint）;
????????}

????????//關閉連接按鈕事件
????????private?void?button2_Click（object?sender?EventArgs?e）
????????{
????????????if?（button2.Text?==?“關閉連接“）
????????????{
????????????????_udpClient.Close（）;
????????????}
????????}

????????public?static?byte[]?EncodingASCII（string?buf）//編碼
????????{
???????????//?byte[]?data?=?Encoding.ASCII.GetBytes（buf?+?“\r\n“）;
????????????byte[]?data?=?Encoding.ASCII.GetBytes（buf?+?“\r\n“）;

????????????return?data;
????????}
????????public?static?string?DecodingASCII（byte[]?buf）//解碼
????????{
????????????string?st?=?Encoding.ASCII.GetString（buf）;
????????????return?st;
????????}

???????
????}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2016-04-10?17:03??UDPServerClientTest\
?????目錄???????????0??2016-04-10?17:06??UDPServerClientTest\UDPClient\
?????目錄???????????0??2016-04-10?17:06??UDPServerClientTest\UDPClient\bin\
?????目錄???????????0??2016-04-10?17:18??UDPServerClientTest\UDPClient\bin\Debug\
?????文件???????10752??2016-04-10?18:49??UDPServerClientTest\UDPClient\bin\Debug\UDPClient.exe
?????文件???????26112??2016-04-10?18:49??UDPServerClientTest\UDPClient\bin\Debug\UDPClient.pdb
?????文件???????11600??2016-04-10?18:55??UDPServerClientTest\UDPClient\bin\Debug\UDPClient.vshost.exe
?????目錄???????????0??2016-04-10?17:06??UDPServerClientTest\UDPClient\bin\Release\
?????文件????????1738??2016-04-10?18:36??UDPServerClientTest\UDPClient\FrmClient.cs
?????文件????????7106??2016-04-10?18:12??UDPServerClientTest\UDPClient\FrmClient.Designer.cs
?????文件????????5817??2016-04-10?18:12??UDPServerClientTest\UDPClient\FrmClient.resx
?????目錄???????????0??2016-04-10?17:02??UDPServerClientTest\UDPClient\obj\
?????目錄???????????0??2016-04-10?17:02??UDPServerClientTest\UDPClient\obj\x86\
?????目錄???????????0??2016-04-10?18:49??UDPServerClientTest\UDPClient\obj\x86\Debug\
?????文件????????2867??2016-04-10?17:02??UDPServerClientTest\UDPClient\obj\x86\Debug\DesignTimeResolveAssemblyReferences.cache
?????文件????????6423??2016-04-10?18:49??UDPServerClientTest\UDPClient\obj\x86\Debug\DesignTimeResolveAssemblyReferencesInput.cache
?????目錄???????????0??2016-04-10?17:02??UDPServerClientTest\UDPClient\obj\x86\Debug\TempPE\
?????文件?????????810??2016-04-10?18:55??UDPServerClientTest\UDPClient\obj\x86\Debug\UDPClient.csproj.FileListAbsolute.txt
?????文件?????????979??2016-04-10?18:22??UDPServerClientTest\UDPClient\obj\x86\Debug\UDPClient.csproj.GenerateResource.Cache
?????文件???????10752??2016-04-10?18:49??UDPServerClientTest\UDPClient\obj\x86\Debug\UDPClient.exe
?????文件?????????180??2016-04-10?18:22??UDPServerClientTest\UDPClient\obj\x86\Debug\UDPClient.FrmClient.resources
?????文件???????26112??2016-04-10?18:49??UDPServerClientTest\UDPClient\obj\x86\Debug\UDPClient.pdb
?????文件?????????180??2016-04-10?18:22??UDPServerClientTest\UDPClient\obj\x86\Debug\UDPClient.Properties.Resources.resources
?????文件?????????494??2016-04-10?17:06??UDPServerClientTest\UDPClient\Program.cs
?????目錄???????????0??2016-04-10?17:02??UDPServerClientTest\UDPClient\Properties\
?????文件????????1368??2016-04-10?17:02??UDPServerClientTest\UDPClient\Properties\AssemblyInfo.cs
?????文件????????2870??2016-04-10?17:02??UDPServerClientTest\UDPClient\Properties\Resources.Designer.cs
?????文件????????5612??2016-04-10?17:02??UDPServerClientTest\UDPClient\Properties\Resources.resx
?????文件????????1096??2016-04-10?17:02??UDPServerClientTest\UDPClient\Properties\Settings.Designer.cs
?????文件?????????249??2016-04-10?17:02??UDPServerClientTest\UDPClient\Properties\Settings.settings
?????文件????????3697??2016-04-10?18:10??UDPServerClientTest\UDPClient\UDPClient.csproj
............此處省略31個文件信息