C#代码实现隐藏任务栏、开始菜单和禁用任务管理

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一：截图，主要是调用系统接口和更改注册表实现功能

二：代码

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Windows;

using System.Windows.Controls;

using System.Windows.Data;

using System.Windows.Documents;

using System.Windows.Input;

using System.Windows.Media;

using System.Windows.Media.Imaging;

using System.Windows.Navigation;

using System.Windows.Shapes;

using System.Diagnostics;

using System.Runtime.InteropServices;

using Microsoft.Win32;

namespace 关机一键锁定

{

    /// <summary>

    /// MainWindow.xaml 的交互逻辑

    /// </summary>

    public partial class MainWindow : Window

    {

        public MainWindow()

        {

            InitializeComponent();

        }

        #region 隐藏、显示任务栏

         [DllImport("user32.dll")]

        public static extern IntPtr FindWindow(String className, String captionName);

        [DllImport("user32.dll")]

        public static extern bool ShowWindow(IntPtr hwnd, uint nCmdShow);

        //隐藏光标

        [DllImport("user32.dll", EntryPoint = "ShowCursor")]

        public static extern bool ShowCursor(bool bShow);

        //ShowCursor(false);

        private void btnHideToolBar_Click(object sender, RoutedEventArgs e)

        {

            // 获得任务栏和开始菜单的句柄

            var rwl = FindWindow("Shell_TrayWnd", null);

            var rwl2 = FindWindow("Button", null);

            if (btnHideToolBar.Content == "隐藏")//当nCmdShow=0---隐藏；nCmdShow=1---显示

            {

                ShowWindow(rwl2, );

                ShowWindow(rwl, );

                ShowCursor(true);

                btnHideToolBar.Content = "显示";

            }

            else

            {

                ShowWindow(rwl2, );

                ShowWindow(rwl, );

                ShowCursor(false);

                btnHideToolBar.Content = "隐藏";

            }

        }

        #endregion

//禁用、启用任务管理器

        private void btnManageForm_Click(object sender, RoutedEventArgs e)

        {

            if (btnManageForm.Content == "禁用")//当nCmdShow=0---隐藏；nCmdShow=1---显示

            {

                //禁用本机的任务管理器

                Registry.SetValue("HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\System", "DisableTaskMgr", );

                //禁用当前用户任务管理器

                Registry.SetValue("HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\System", "DisableTaskMgr", );

                btnManageForm.Content = "启用";

            }

            else

            {

                //禁用本机的任务管理器

                Registry.SetValue("HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\System", "DisableTaskMgr", );

                //禁用当前用户任务管理器

                Registry.SetValue("HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\System", "DisableTaskMgr", );

                btnManageForm.Content = "禁用";

            }

        }

    }

}