using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Data;
using?System.Drawing;
using?System.Linq;
using?System.Text;
using?System.Threading;
using?System.Threading.Tasks;
using?System.Windows.Forms;
using?System.Net;
using?System.Net.Sockets;
using?System.IO;

namespace?PortScan
{
????public?partial?class?MainWnd?:?Form
????{

????????string[]?portListArray?=?null;
????????static?int?portSum?=?0;
????????public?MainWnd（）
????????{
????????????InitializeComponent（）;
????????????updatelist?+=?new?UpdateListBox（refreshlistbox）;
????????}

????????private?void?button1_Click（object?sender?EventArgs?e）
????????{
????????????int?connState?=?0;
????????????String?scanHost?=?textBox1.Text;
????????????try
????????????{
????????????????IPAddress?ipaddr?=?（IPAddress）Dns.Resolve（scanHost）.AddressList.GetValue（0）;
????????????????textBox1.Text?=?ipaddr.ToString（）;
????????????}
????????????catch?{
????????????????textBox1.Focus（）;
????????????????MessageBox.Show（“請(qǐng)輸入正確的主機(jī)地址，該地址DNS無法進(jìn)行解析““系統(tǒng)提示“）;
????????????????return;
????????????}
????????????/*
????????????Int32?threadNum?=?（Int32）startPort.Value;
????????????Int32?end?=?（Int32）endPort.Value;
????????????for?（;?threadNum?<=?end;?threadNum++）?{
????????????????NormalScan（threadNum）;
????????????????listBox1.Refresh（）;
????????????}
????????????*/
????????????Int32?start?=?（Int32）startPort.Value;
????????????Int32?end?=?（Int32）endPort.Value;
????????????Int32?threadNum?=?end?-?start;
????????????portListArray?=?new?String[threadNum];

????????????ThreadPool.SetMaxThreads（threadNumthreadNum）;
????????????????for（threadNum?=?start;threadNum?<=?end;threadNum++）{
????????????????????ThreadPool.QueueUserWorkItem（new?WaitCallback（NormalScan）threadNum）;
????????????????}
????????????
????????}

????????public?delegate?void?UpdateListBox（String?str）;
????????private?UpdateListBox?updatelist;

????????private?void?NormalScan（object?state）?{
????????????Int32?port?=?（Int32）state;
????????????String?msg?=?““;
????????????TcpClient?tcp?=?new?TcpClient（）;
????????????try
????????????{
????????????????tcp.Connect（IPAddress.Parse（textBox1.Text）?port）;
????????????????portSum++;
????????????????msg?=?port.ToString（）?+?“端口開放“;
????????????????
????????????????//多線程時(shí)不能直接調(diào)用UI線程中的控件
????????????????updatelist（msg）;
????????????????tcp.Close（）;
????????????}
????????????catch
????????????{
????????????????msg?=?port.ToString（）?+?“端口不開放“;
????????????????updatelist（msg）;
????????????}
????????????
????????}

????????private?void?refreshlistbox（String??str）
????????{
????????????//判斷該方法是否被主線程調(diào)用，也就是創(chuàng)建listBox控件的線程，當(dāng)控件的InvokeRequired屬性為ture時(shí)，說明是被主線程以外的線程調(diào)用。如果不加判斷，會(huì)造成異常??
????????????if?（this.listBox1.InvokeRequired）
????????????{
????????????????//再次創(chuàng)建一個(gè)TestClass類的對(duì)象??
????????????????//為新對(duì)象的updatelist對(duì)象搭載方法??
????????????????this.updatelist?=?new?UpdateListBox（refreshlistbox）;
????????????????//th

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

?????文件????????187??2016-05-19?20:04??PortScanMultiThread\PortScan\App.config

?????文件??????13312??2016-05-21?10:05??PortScanMultiThread\PortScan\bin\Debug\PortScan.exe

?????文件????????187??2016-05-19?20:04??PortScanMultiThread\PortScan\bin\Debug\PortScan.exe.config

?????文件??????30208??2016-05-21?10:05??PortScanMultiThread\PortScan\bin\Debug\PortScan.pdb

?????文件??????22984??2016-05-21?10:08??PortScanMultiThread\PortScan\bin\Debug\PortScan.vshost.exe

?????文件????????187??2016-05-19?20:04??PortScanMultiThread\PortScan\bin\Debug\PortScan.vshost.exe.config

?????文件????????490??2015-10-30?15:19??PortScanMultiThread\PortScan\bin\Debug\PortScan.vshost.exe.manifest

?????文件???????3631??2016-05-21?14:35??PortScanMultiThread\PortScan\MainWnd.cs

?????文件???????9854??2016-05-19?20:30??PortScanMultiThread\PortScan\MainWnd.Designer.cs

?????文件???????5817??2016-05-19?20:30??PortScanMultiThread\PortScan\MainWnd.resx

?????文件???????1308??2016-05-21?08:48??PortScanMultiThread\PortScan\obj\Debug\DesignTimeResolveAssemblyReferences.cache

?????文件???????7035??2016-05-21?09:24??PortScanMultiThread\PortScan\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache

?????文件???????1591??2016-05-21?10:08??PortScanMultiThread\PortScan\obj\Debug\PortScan.csproj.FileListAbsolute.txt

?????文件????????977??2016-05-19?20:30??PortScanMultiThread\PortScan\obj\Debug\PortScan.csproj.GenerateResource.Cache

?????文件???????2209??2016-05-19?20:28??PortScanMultiThread\PortScan\obj\Debug\PortScan.csprojResolveAssemblyReference.cache

?????文件??????13312??2016-05-21?10:05??PortScanMultiThread\PortScan\obj\Debug\PortScan.exe

?????文件????????180??2016-05-19?20:30??PortScanMultiThread\PortScan\obj\Debug\PortScan.MainWnd.resources

?????文件??????30208??2016-05-21?10:05??PortScanMultiThread\PortScan\obj\Debug\PortScan.pdb

?????文件????????180??2016-05-19?20:28??PortScanMultiThread\PortScan\obj\Debug\PortScan.Properties.Resources.resources

?????文件??????????0??2016-05-19?20:04??PortScanMultiThread\PortScan\obj\Debug\TemporaryGeneratedFile_036C0B5B-1481-4323-8D20-8F5ADCB23D92.cs

?????文件??????????0??2016-05-19?20:04??PortScanMultiThread\PortScan\obj\Debug\TemporaryGeneratedFile_5937a670-0e60-4077-877b-f7221da3dda1.cs

?????文件??????????0??2016-05-19?20:04??PortScanMultiThread\PortScan\obj\Debug\TemporaryGeneratedFile_E7A71F73-0F8D-4B9B-B56E-8E70B10BC5D3.cs

?????文件???????3840??2016-05-19?20:28??PortScanMultiThread\PortScan\PortScan.csproj

?????文件????????522??2016-05-19?20:12??PortScanMultiThread\PortScan\Program.cs

?????文件???????1336??2016-05-19?20:04??PortScanMultiThread\PortScan\Properties\AssemblyInfo.cs

?????文件???????2868??2016-05-19?20:04??PortScanMultiThread\PortScan\Properties\Resources.Designer.cs

?????文件???????5612??2016-05-19?20:04??PortScanMultiThread\PortScan\Properties\Resources.resx

?????文件???????1095??2016-05-19?20:04??PortScanMultiThread\PortScan\Properties\Settings.Designer.cs

?????文件????????249??2016-05-19?20:04??PortScanMultiThread\PortScan\Properties\Settings.settings

?????文件????????239??2016-05-19?20:11??PortScanMultiThread\PortScan\Scan.cs

............此處省略14個(gè)文件信息