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;
using?System.Net.Sockets;
using?System.Threading;


namespace?PortFinder
{
????public?partial?class?PortFinder?:?Form
????{
????????//已掃描端口數(shù)目

????????internal?static?List?openedPorts?=?new?List（）;
????????//已掃描端口數(shù)目
????????internal?static?int?scannedCount?=?0;

????????internal?static?int?runningThreadCount?=?0;

????????static?int?startPort?=?1;
????????static?int?endPort?=?1500;
????????public?string?host?=?“Sunny“;
????????public?int?Oport?=?0;
????????static?int?maxThread?=?100;

????????public?PortFinder（）
????????{
????????????InitializeComponent（）;
????????????txtHost.Text?=?“Sunny“;
????????}

????????public?void?scan（）
????????{
????????????TcpClient?tc?=?new?TcpClient（）;
????????????tc.SendTimeout?=?tc.ReceiveTimeout?=?100;

????????????try
????????????{
????????????????tc.Connect（host?Oport）;
????????????????if?（tc.Connected）
????????????????{
???????????????????openedPorts.Add（Oport）;
????????????????}
????????????}
????????????catch
????????????{
????????????}
????????????finally
????????????{
????????????????tc.Close（）;
????????????????tc?=?null;
????????????????PortFinder.scannedCount++;
????????????????PortFinder.runningThreadCount--;
????????????}
????????}

????????private?void?btnSearch_Click（object?sender?EventArgs?e）
????????{
????????????lbResult.Items.Clear（）;
????????????openedPorts.Clear（）;

????????????if?（txtHost.Text?==?““）
????????????{
????????????????MessageBox.Show（“請(qǐng)輸入主機(jī)名或者主機(jī)IP！“）;
????????????????return;
????????????}

????????????if（txtStart.Text?!=?““?&&?txtEnd.Text?!=?““）
????????????{
????????????????startPort?=?Convert.ToInt16（txtStart.Text.Trim（））;
????????????????endPort?=?Convert.ToInt16（txtEnd.Text.Trim（））;
????????????}

????????????host?=?txtHost.Text;

????????????for?（int?port?=?startPort;?port?????????????{
????????????????Oport?=?port;
????????????????runningThreadCount++;
????????????????Thread?thread?=?new?Thread（new?ThreadStart（scan））;
????????????????thread.Name?=?port.ToString（）;
????????????????thread.IsBackground?=?true;
????????????????thread.Start（）;
????????????????Thread.Sleep（10）;

???????????????//?while?（runningThreadCount?>=?maxThread）?;
????????????}
????????????while?（scannedCount?+?1?
????????????foreach?（int?port?in?openedPorts）
????????????{
????????????????string?RP?=?string.Format（“port:?{0}?is?open“?port.ToString（）.PadLeft（6））;
????????????????lbResult.Items.Add（RP）;
????????????}
????????}
????}

}

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

?????文件??????10240??2010-09-17?18:12??PortFinder\PortFinder\bin\Debug\PortFinder.exe

?????文件??????26112??2010-09-17?18:12??PortFinder\PortFinder\bin\Debug\PortFinder.pdb

?????文件??????14328??2010-09-19?09:00??PortFinder\PortFinder\bin\Debug\PortFinder.vshost.exe

?????文件????????490??2007-07-21?01:33??PortFinder\PortFinder\bin\Debug\PortFinder.vshost.exe.manifest

?????文件????????582??2010-09-19?09:00??PortFinder\PortFinder\obj\Debug\PortFinder.csproj.FileListAbsolute.txt

?????文件????????852??2010-09-16?18:04??PortFinder\PortFinder\obj\Debug\PortFinder.csproj.GenerateResource.Cache

?????文件??????10240??2010-09-17?18:12??PortFinder\PortFinder\obj\Debug\PortFinder.exe

?????文件??????26112??2010-09-17?18:12??PortFinder\PortFinder\obj\Debug\PortFinder.pdb

?????文件????????180??2010-09-16?18:04??PortFinder\PortFinder\obj\Debug\PortFinder.PortFinder.resources

?????文件????????180??2010-09-16?18:04??PortFinder\PortFinder\obj\Debug\PortFinder.Properties.Resources.resources

?????文件???????2812??2010-09-17?18:12??PortFinder\PortFinder\PortFinder.cs

?????文件???????3377??2010-09-16?18:04??PortFinder\PortFinder\PortFinder.csproj

?????文件???????4060??2010-09-16?18:04??PortFinder\PortFinder\PortFinder.Designer.cs

?????文件???????5814??2010-09-16?18:04??PortFinder\PortFinder\PortFinder.resx

?????文件????????476??2010-09-16?17:42??PortFinder\PortFinder\Program.cs

?????文件???????1376??2010-09-16?17:41??PortFinder\PortFinder\Properties\AssemblyInfo.cs

?????文件???????2870??2010-09-16?17:41??PortFinder\PortFinder\Properties\Resources.Designer.cs

?????文件???????5612??2010-09-16?17:41??PortFinder\PortFinder\Properties\Resources.resx

?????文件???????1095??2010-09-16?17:41??PortFinder\PortFinder\Properties\Settings.Designer.cs

?????文件????????249??2010-09-16?17:41??PortFinder\PortFinder\Properties\Settings.settings

?????文件????????920??2010-09-16?17:41??PortFinder\PortFinder.sln

????..A..H.?????12288??2010-09-19?18:03??PortFinder\PortFinder.suo

?????目錄??????????0??2010-09-16?17:42??PortFinder\PortFinder\obj\Debug\Refactor

?????目錄??????????0??2010-09-16?17:41??PortFinder\PortFinder\obj\Debug\TempPE

?????目錄??????????0??2010-09-17?08:47??PortFinder\PortFinder\bin\Debug

?????目錄??????????0??2010-09-17?18:12??PortFinder\PortFinder\obj\Debug

?????目錄??????????0??2010-09-16?17:44??PortFinder\PortFinder\bin

?????目錄??????????0??2010-09-16?17:41??PortFinder\PortFinder\obj

?????目錄??????????0??2010-09-16?17:41??PortFinder\PortFinder\Properties

?????目錄??????????0??2010-09-17?18:12??PortFinder\PortFinder

............此處省略4個(gè)文件信息