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.Sockets;
using?System.Net;
using?System.Threading;
namespace?netHomework
{
????public?partial?class?Form1?:?Form
????{
????????private?UdpClient?receive;
????????private?UdpClient?udpClient;
????????private?int?remotPort?=?1000;
????????private?int?localPort?=1001;
????????private?Thread?t;


????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????????receive?=?new?UdpClient（localPort）;
????????????udpClient?=?new?UdpClient（）;
????????}

????????private?void?sendButton_Click（object?sender?EventArgs?e）
????????{
????????????if?（this.remotIPTextBox.Text.Equals（““））
????????????{
????????????????MessageBox.Show（“應(yīng)用了默認(rèn)的127.0.0.1“）;
????????????}
????????????udpClient.Send（Encoding.Unicode.GetBytes（this.contendTextBox.Text）?Encoding.Unicode.GetByteCount（this.contendTextBox.Text）this.remotIPTextBox.Textthis.remotPort）;
????????????this.sendButton.Enabled?=?false;

????????}

????????private?void?Form1_Load（object?sender?EventArgs?e）
????????{
????????????t?=?new?Thread（new?ThreadStart（receiveMethod））;
????????????t.Start（）;

????????}
????????public?void?receiveMethod（）
????????{
????????????while?（true）
????????????{
????????????????IPEndPoint?receivePoint?=?new?IPEndPoint（IPAddress.Parse（“127.0.0.1“）?1）;
????????????????byte[]?contendByte?=?receive.Receive（ref?receivePoint）;
????????????????string?contendLine?=?Encoding.Unicode.GetString（contendByte）;
????????????????this.informationTextBox.Text?=?contendLine;
????????????????if?（contendLine.Equals（“ack“））
????????????????{
????????????????????this.sendButton.Enabled?=?true;
????????????????}
????????????????else?if?（contendLine.Equals（“nak“））
????????????????{
????????????????????MessageBox.Show（“對(duì)方要求重發(fā)！“）;
????????????????????udpClient.Send（Encoding.Unicode.GetBytes（this.contendTextBox.Text）?Encoding.Unicode.GetByteCount（this.contendTextBox.Text）?this.remotIPTextBox.Text?remotPort）;
????????????????}
????????????????else?if?（contendLine.Equals（“none“））
????????????????{
????????????????????MessageBox.Show（“丟包咯！“）;
????????????????????this.sendButton.Enabled?=?true;
????????????????}
????????????????else?if?（contendLine.Equals（“outTime“））
????????????????{
????????????????????MessageBox.Show（“超時(shí)了不好意識(shí)！“）;
????????????????????this.sendButton.Enabled?=?true;
????????????????}
????????????}
????????}
????????private?void?resetButton_Click（object?sender?EventArgs?e）
????????{
????????????this.remotIPTextBox.Text?=?““;
????????????this.contendTextBox.Text?=?““;
????????}

????????private?void?contendTextBox_TextChanged（object?sender?EventArgs?e）
????????{

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

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?????文件??????20480??2009-04-11?15:09??receive\receive\bin\Debug\receive.exe

?????文件??????32256??2009-04-11?15:09??receive\receive\bin\Debug\receive.pdb

?????文件???????5632??2005-12-08?14:51??receive\receive\bin\Debug\receive.vshost.exe

?????文件???????2403??2009-04-11?15:09??receive\receive\Form1.cs

?????文件???????5612??2009-04-11?15:09??receive\receive\Form1.Designer.cs

?????文件???????5814??2009-04-09?16:53??receive\receive\Form1.resx

?????文件????????842??2009-04-09?16:53??receive\receive\obj\Debug\receive.csproj.GenerateResource.Cache

?????文件??????20480??2009-04-11?15:09??receive\receive\obj\Debug\receive.exe

?????文件????????180??2009-04-09?16:53??receive\receive\obj\Debug\receive.Form1.resources

?????文件??????32256??2009-04-11?15:09??receive\receive\obj\Debug\receive.pdb

?????文件????????180??2009-04-09?16:12??receive\receive\obj\Debug\receive.Properties.Resources.resources

?????文件????????268??2009-04-09?17:46??receive\receive\obj\receive.csproj.FileList.txt

?????文件????????636??2009-04-11?15:13??receive\receive\obj\receive.csproj.FileListAbsolute.txt

?????文件????????466??2009-04-09?15:59??receive\receive\Program.cs

?????文件???????1228??2009-04-09?15:59??receive\receive\Properties\AssemblyInfo.cs

?????文件???????2868??2009-04-09?15:59??receive\receive\Properties\Resources.Designer.cs

?????文件???????5612??2009-04-09?15:59??receive\receive\Properties\Resources.resx

?????文件???????1090??2009-04-09?15:59??receive\receive\Properties\Settings.Designer.cs

?????文件????????249??2009-04-09?15:59??receive\receive\Properties\Settings.settings

?????文件???????3221??2009-04-09?17:02??receive\receive\receive.csproj

?????文件????????910??2009-04-09?15:59??receive\receive.sln

????..A..H.?????15872??2009-04-11?15:15??receive\receive.suo

?????文件??????20480??2009-04-11?15:14??netHomework\netHomework\bin\Debug\netHomework.exe

?????文件??????26112??2009-04-11?15:14??netHomework\netHomework\bin\Debug\netHomework.pdb

?????文件???????5632??2005-12-08?14:51??netHomework\netHomework\bin\Debug\netHomework.vshost.exe

?????文件???????2911??2009-04-11?15:14??netHomework\netHomework\Form1.cs

?????文件???????5340??2009-04-11?15:14??netHomework\netHomework\Form1.Designer.cs

?????文件???????5814??2009-04-09?16:39??netHomework\netHomework\Form1.resx

?????文件???????3229??2009-04-09?16:10??netHomework\netHomework\netHomework.csproj

?????文件????????842??2009-04-09?16:41??netHomework\netHomework\obj\Debug\netHomework.csproj.GenerateResource.Cache

............此處省略34個(gè)文件信息