using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Data;
using?System.Drawing;
using?System.Linq;
using?System.Text;
using?System.Windows.Forms;
using?System.Runtime.InteropServices;
using?System.Threading;
using?System.IO;
using?Microsoft.Win32;

namespace?WindowsLock
{
????public?partial?class?Form1?:?Form
????{
????????[DllImport（“user32?“）]
????????public?static?extern?bool?LockWorkStation（）;//這個(gè)是調(diào)用windows的系統(tǒng)鎖定
????????[DllImport（“user32.dll“）]
????????static?extern?void?BlockInput（bool?Block）;?//鎖定鍵盤(pán)鼠標(biāo)

????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????}

????????private?void?button1_Click（object?sender?EventArgs?e）
????????{
????????????LockWorkStation（）;
????????}

????????private?void?button2_Click（object?sender?EventArgs?e）
????????{
????????????BlockInput（true）;//鎖定鼠標(biāo)及鍵盤(pán)
????????????Thread.Sleep（5000）;
????????????BlockInput（false）;//解除鎖定鼠標(biāo)及鍵盤(pán)
????????}
?????????
????????private?void?button3_Click（object?sender?EventArgs?e）
????????{
????????????if?（button3.Text==“禁用任務(wù)管理器“）
	????????{
????????????????button3.Text=“啟用任務(wù)管理器“;
????????????????ManageTaskManager（1）;
		?
	????????}else
	????????{
????????????????button3.Text=“禁用任務(wù)管理器“;
????????????????ManageTaskManager（0）;????????
	????????}
????????????
????????}
????????///?

????????///?管理任務(wù)管理器的方法
????????///?

????????///?0：?jiǎn)⒂萌蝿?wù)管理器?1：禁用任務(wù)管理器
????????private?void?ManageTaskManager（int?arg）
????????{
????????????RegistryKey?currentUser?=?Registry.CurrentUser;
????????????RegistryKey?system?=?currentUser.OpenSubKey（@“Software\Microsoft\Windows\CurrentVersion\Policies\System“?true）;
????????????//如果system項(xiàng)不存在就創(chuàng)建這個(gè)項(xiàng)
????????????if?（system?==?null）
????????????{
????????????????system?=?currentUser.CreateSubKey（@“Software\Microsoft\Windows\CurrentVersion\Policies\System“）;
????????????}
????????????system.SetValue（“DisableTaskmgr“?arg?RegistryValueKind.DWord）;
????????????currentUser.Close（）;
????????}

????}
}

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

?????文件???????9216??2020-12-28?11:12??WindowsLock\WindowsLock\bin\Debug\WindowsLock.exe

?????文件??????26112??2020-12-28?11:12??WindowsLock\WindowsLock\bin\Debug\WindowsLock.pdb

?????文件??????14328??2020-12-28?11:01??WindowsLock\WindowsLock\bin\Debug\WindowsLock.vshost.exe

?????文件????????490??2009-06-11?05:14??WindowsLock\WindowsLock\bin\Debug\WindowsLock.vshost.exe.manifest

?????文件???????2267??2020-12-28?11:44??WindowsLock\WindowsLock\Form1.cs

?????文件???????3292??2020-12-28?11:04??WindowsLock\WindowsLock\Form1.Designer.cs

?????文件???????5814??2020-12-28?11:04??WindowsLock\WindowsLock\Form1.resx

?????文件????????816??2020-12-28?11:02??WindowsLock\WindowsLock\obj\Debug\WindowsLock.csproj.FileListAbsolute.txt

?????文件????????847??2020-12-28?11:08??WindowsLock\WindowsLock\obj\Debug\WindowsLock.csproj.GenerateResource.Cache

?????文件???????9216??2020-12-28?11:12??WindowsLock\WindowsLock\obj\Debug\WindowsLock.exe

?????文件????????180??2020-12-28?11:08??WindowsLock\WindowsLock\obj\Debug\WindowsLock.Form1.resources

?????文件??????26112??2020-12-28?11:12??WindowsLock\WindowsLock\obj\Debug\WindowsLock.pdb

?????文件????????180??2020-12-28?11:02??WindowsLock\WindowsLock\obj\Debug\WindowsLock.Properties.Resources.resources

?????文件????????492??2020-12-28?11:01??WindowsLock\WindowsLock\Program.cs

?????文件???????1354??2020-12-28?11:01??WindowsLock\WindowsLock\Properties\AssemblyInfo.cs

?????文件???????2872??2020-12-28?11:01??WindowsLock\WindowsLock\Properties\Resources.Designer.cs

?????文件???????5612??2020-12-28?11:01??WindowsLock\WindowsLock\Properties\Resources.resx

?????文件???????1096??2020-12-28?11:01??WindowsLock\WindowsLock\Properties\Settings.Designer.cs

?????文件????????249??2020-12-28?11:01??WindowsLock\WindowsLock\Properties\Settings.settings

?????文件???????3733??2020-12-28?11:02??WindowsLock\WindowsLock\WindowsLock.csproj

?????文件????????923??2020-12-28?11:01??WindowsLock\WindowsLock.sln

????..A..H.??????7680??2020-12-28?11:01??WindowsLock\WindowsLock.suo

?????目錄??????????0??2020-12-28?11:01??WindowsLock\WindowsLock\obj\Debug\TempPE

?????目錄??????????0??2020-12-28?11:02??WindowsLock\WindowsLock\bin\Debug

?????目錄??????????0??2020-12-28?11:12??WindowsLock\WindowsLock\obj\Debug

?????目錄??????????0??2020-12-28?11:01??WindowsLock\WindowsLock\bin

?????目錄??????????0??2020-12-28?11:01??WindowsLock\WindowsLock\obj

?????目錄??????????0??2020-12-28?11:01??WindowsLock\WindowsLock\Properties

?????目錄??????????0??2020-12-28?11:44??WindowsLock\WindowsLock

?????目錄??????????0??2020-12-28?11:01??WindowsLock

............此處省略3個(gè)文件信息