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


namespace?asynserver
{
????public?partial?class?Form1?:?Form
????{
????????struct?ClientInfo
????????{
????????????public?Socket?socket;?//socket?of?client
????????????public?DateTime?time;?//?最近一次通信成功的時間
????????}

????????delegate?void?SetTextCallback（string?text）;
????????int?flag?=?0;

????????DateTime?yuyang_datatime?=?new?DateTime（）;??//用于記錄最近一次各站點接收到數據的時間
????????DateTime?jinshu_datatime?=?new?DateTime（）;??

????????private?IPEndPoint?myserverip;
????????private?Socket?mysocket;
???????//?private?Socket?handler;
????????private?ArrayList?clientlist?=?new?ArrayList（）;

????????byte[]?byteDataRece?=?new?byte[1024];
???????
????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????????
????????????//獲取當前主機IP值
????????????IPHostEntry???ipHostInfo???=????Dns.GetHostEntry（Dns.GetHostName（））;
????????????IPAddress?ipAddress?=?ipHostInfo.AddressList[0];???
??????????//??IPAddress?ipAddress?=?ipHostInfo.AddressList[1];???

??????????//??serverip.Text?=?“192.168.10.3“;
????????????serverip.Text?=?ipAddress.ToString（）;
????????????duankouhao.Text?=?“8060“;

????????????checktimer.Enabled?=?true;
????????????checktimer.Start（）;
??????????????????????
????????}

????????private?void?btnsend_Click（object?sender?EventArgs?e）
????????{
????????????//byte[]?bytedata?=?Encoding.BigEndianUnicode.GetBytes（message.Text）;
????????????byte[]?bytedata?=?Encoding.ASCII.GetBytes（message.Text）;
????????????message.Clear（）;

????????????byte[]?crcjieguo?=?CRC16（bytedatabytedata.Length）;
????????????//轉換為十六進制
????????????string?ddd?=?BitConverter.ToString（crcjieguo）;

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

????????private?void?btnclose_Click（object?sender?EventArgs?e）
????????{
????????????//關閉定時器
????????????checktimer.Stop（）;

???????????liststate.Items.Add（“主機監聽停止“）;
????????}

????????private?void?btnjianting_Click（object?sender?EventArgs?e）
????????{
????????????
????????????//點擊完監聽按鈕后，使按鈕失效
????????????btnjianting.Enabled?=?false;??????????????????????????

????????????myserverip?=?new?IPEndPoint（IPAddress.Parse（serverip.Text）Int32.Parse（duankouhao.Text））;
????????????mysocket?=?new?Socket（AddressFamily.InterNetworkSocketType.StreamProtocolType.Tcp）;
????????????mysocket.Bind（myserverip）;
????????????mysocket.Listen（20）;
????????????liststate.Items.Add（“主機開始監聽···“）;

????????????//主服務器線程
????????????Thread?thread?=?new?Thread（new?ThreadStart（target））;??
????????????thread.Start（）;??????????????
????????}

????????private?void?target（）
????????{??????????
????????????????try
????????????????{???????????????????????
??????????????????mysocket.BeginAccept

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2011-10-14?09:48??asynserver\
?????目錄???????????0??2011-10-14?09:48??asynserver\asynserver\
?????文件?????????920??2010-05-19?09:02??asynserver\asynserver.sln
?????文件???????43520??2011-09-05?22:13??asynserver\asynserver.suo
?????文件????????3477??2010-05-19?09:02??asynserver\asynserver\asynserver.csproj
?????目錄???????????0??2011-10-14?09:48??asynserver\asynserver\bin\
?????目錄???????????0??2011-10-14?09:48??asynserver\asynserver\bin\Debug\
?????文件???????24576??2011-03-29?19:05??asynserver\asynserver\bin\Debug\asynserver.exe
?????文件???????60928??2011-03-29?19:05??asynserver\asynserver\bin\Debug\asynserver.pdb
?????文件???????14328??2011-09-05?21:51??asynserver\asynserver\bin\Debug\asynserver.vshost.exe
?????文件?????????490??2007-07-21?01:33??asynserver\asynserver\bin\Debug\asynserver.vshost.exe.manifest
?????文件???????36864??2009-12-21?20:25??asynserver\asynserver\bin\Debug\asynserver1220.exe
?????文件???????37668??2011-03-29?19:05??asynserver\asynserver\Form1.cs
?????文件????????9820??2011-03-29?19:05??asynserver\asynserver\Form1.Designer.cs
?????文件????????6012??2011-03-29?19:05??asynserver\asynserver\Form1.resx
?????目錄???????????0??2011-10-14?09:48??asynserver\asynserver\obj\
?????文件?????????289??2009-12-07?12:00??asynserver\asynserver\obj\asynserver.csproj.FileList.txt
?????文件????????3572??2009-12-28?22:43??asynserver\asynserver\obj\asynserver.csproj.FileListAbsolute.txt
?????目錄???????????0??2011-10-14?09:48??asynserver\asynserver\obj\Debug\
?????文件????????2046??2011-09-05?21:51??asynserver\asynserver\obj\Debug\asynserver.csproj.FileListAbsolute.txt
?????文件?????????847??2011-03-29?19:05??asynserver\asynserver\obj\Debug\asynserver.csproj.GenerateResource.Cache
?????文件???????24576??2011-03-29?19:05??asynserver\asynserver\obj\Debug\asynserver.exe
?????文件?????????180??2011-03-29?19:05??asynserver\asynserver\obj\Debug\asynserver.Form1.resources
?????文件???????60928??2011-03-29?19:05??asynserver\asynserver\obj\Debug\asynserver.pdb
?????文件?????????180??2011-03-29?10:19??asynserver\asynserver\obj\Debug\asynserver.Properties.Resources.resources
?????目錄???????????0??2011-10-13?22:32??asynserver\asynserver\obj\Debug\Refactor\
?????目錄???????????0??2011-10-14?09:48??asynserver\asynserver\obj\Debug\TempPE\
?????文件????????4608??2010-05-19?09:02??asynserver\asynserver\obj\Debug\TempPE\Properties.Resources.Designer.cs.dll
?????文件?????????469??2009-04-11?21:46??asynserver\asynserver\Program.cs
?????目錄???????????0??2011-10-14?09:48??asynserver\asynserver\Properties\
?????文件????????1192??2009-04-11?21:46??asynserver\asynserver\Properties\AssemblyInfo.cs
............此處省略28個文件信息