using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Data;
using?System.Drawing;
using?System.Text;
using?System.Windows.Forms;

namespace?CancelAltAndF4
{
????public?partial?class?Frm_Main?:?Form
????{
????????public?Frm_Main（）
????????{
????????????InitializeComponent（）;
????????}

????????private?void?Form1_KeyDown（object?sender?KeyEventArgs?e）
????????{
????????????if?（e.Alt?&&?e.KeyValue?==?115）//如果按下的Alt和F4
????????????????e.Handled?=?true;//不執行操作
????????}
????}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-08-29?20:42??CancelAltAndF4\
?????目錄???????????0??2017-08-28?18:24??CancelAltAndF4\CancelAltAndF4\
?????文件?????????932??2012-12-19?15:19??CancelAltAndF4\CancelAltAndF4.sln
?????文件?????????144??2012-12-19?15:20??CancelAltAndF4\CancelAltAndF4\app.config
?????目錄???????????0??2017-08-28?18:24??CancelAltAndF4\CancelAltAndF4\bin\
?????目錄???????????0??2017-08-28?18:24??CancelAltAndF4\CancelAltAndF4\bin\Debug\
?????文件??????256000??2012-12-19?15:23??CancelAltAndF4\CancelAltAndF4\bin\Debug\CancelAltAndF4.exe
?????文件?????????144??2012-12-19?15:20??CancelAltAndF4\CancelAltAndF4\bin\Debug\CancelAltAndF4.exe.config
?????文件???????34304??2012-12-19?15:23??CancelAltAndF4\CancelAltAndF4\bin\Debug\CancelAltAndF4.pdb
?????文件???????14328??2010-08-25?13:18??CancelAltAndF4\CancelAltAndF4\bin\Debug\CancelAltAndF4.vshost.exe
?????文件?????????490??2009-06-11?05:14??CancelAltAndF4\CancelAltAndF4\bin\Debug\CancelAltAndF4.vshost.exe.manifest
?????目錄???????????0??2012-12-19?15:19??CancelAltAndF4\CancelAltAndF4\bin\Release\
?????文件????????5573??2012-12-19?15:20??CancelAltAndF4\CancelAltAndF4\CancelAltAndF4.csproj
?????文件?????????452??2012-12-19?15:20??CancelAltAndF4\CancelAltAndF4\CancelAltAndF4.csproj.user
?????文件?????????561??2012-12-19?15:20??CancelAltAndF4\CancelAltAndF4\Frm_Main.cs
?????文件????????1950??2012-12-19?15:20??CancelAltAndF4\CancelAltAndF4\Frm_Main.designer.cs
?????文件??????377027??2010-12-09?08:50??CancelAltAndF4\CancelAltAndF4\Frm_Main.resx
?????目錄???????????0??2017-08-28?18:24??CancelAltAndF4\CancelAltAndF4\obj\
?????目錄???????????0??2017-08-28?18:24??CancelAltAndF4\CancelAltAndF4\obj\Debug\
?????文件????????3350??2012-12-19?15:23??CancelAltAndF4\CancelAltAndF4\obj\Debug\CancelAltAndF4.csproj.FileListAbsolute.txt
?????文件?????????850??2010-12-09?08:50??CancelAltAndF4\CancelAltAndF4\obj\Debug\CancelAltAndF4.csproj.GenerateResource.Cache
?????文件??????256000??2012-12-19?15:23??CancelAltAndF4\CancelAltAndF4\obj\Debug\CancelAltAndF4.exe
?????文件??????247765??2012-12-19?15:23??CancelAltAndF4\CancelAltAndF4\obj\Debug\CancelAltAndF4.Frm_Main.resources
?????文件???????34304??2012-12-19?15:23??CancelAltAndF4\CancelAltAndF4\obj\Debug\CancelAltAndF4.pdb
?????文件?????????180??2012-12-19?15:23??CancelAltAndF4\CancelAltAndF4\obj\Debug\CancelAltAndF4.Properties.Resources.resources
?????文件????????6312??2012-12-19?15:23??CancelAltAndF4\CancelAltAndF4\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache
?????文件?????????768??2012-12-19?15:23??CancelAltAndF4\CancelAltAndF4\obj\Debug\GenerateResource.read.1.tlog
?????文件?????????978??2012-12-19?15:23??CancelAltAndF4\CancelAltAndF4\obj\Debug\GenerateResource.write.1.tlog
?????目錄???????????0??2011-04-06?10:19??CancelAltAndF4\CancelAltAndF4\obj\Debug\Refactor\
?????目錄???????????0??2017-08-28?18:24??CancelAltAndF4\CancelAltAndF4\obj\Debug\TempPE\
?????文件????????4608??2012-12-19?15:20??CancelAltAndF4\CancelAltAndF4\obj\Debug\TempPE\Properties.Resources.Designer.cs.dll
............此處省略7個文件信息