C# 定时自动关机 示例源码

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.Windows.Threading;using System.Runtime.InteropServices;using System.Diagnostics;using System.IO;namespace 定时自动关机{ /// <summary> /// Window1.xaml 的交互逻辑 /// </summary> public partial class Window1 : Window { public Window1() { InitializeComponent(); } [DllImport("user32")] public static extern int ExitWindowsEx(int x, int y); private DispatcherTimer Timer1 = new DispatcherTimer(); private int second = 30; private void Grid_Loaded(object sender, RoutedEventArgs e) { AutoRun(); ShutDown(); } private void Timer1_Tick(object sender, EventArgs e) { second--; this.label2.Content = second.ToString() "秒"; if (second==0) { ExitWindowsEx(1,0); } } private void btnStop_Click(object sender, RoutedEventArgs e) { if (Timer1.IsEnabled == true) { btnStop.Content = "开始"; Timer1.Stop(); } else { btnStop.Content = "停止"; Timer1.IsEnabled = true; } } private void btnAbort_Click(object sender, RoutedEventArgs e) { this.Close(); } //自启动 public void AutoRun() { string StartupPath = System.Environment.GetFolderPath(System.Environment.SpecialFolder.Startup); string strEXEpath = Process.GetCurrentProcess().MainModule.FileName; string strFilepath = Environment.CurrentDirectory; int l=strEXEpath.LastIndexOf("\\"); string strEXEName = strEXEpath.Substring(l 1); System.IO.File.Copy(strEXEpath, StartupPath strEXEName, true); //获得文件的当前路径 string dir = Directory.GetCurrentDirectory(); //获取可执行文件的全部路径 string exeDir = dir "自动关机任务.exe"; //获取Run键 Microsoft.Win32.RegistryKey key1 = Microsoft.Win32.Registry.LocalMachine; Microsoft.Win32.RegistryKey key2 = key1.CreateSubKey("SOFTWARE"); Microsoft.Win32.RegistryKey key3 = key2.CreateSubKey("Microsoft"); Microsoft.Win32.RegistryKey key4 = key3.CreateSubKey("Windows"); Microsoft.Win32.RegistryKey key5 = key4.CreateSubKey("CurrentVersion"); Microsoft.Win32.RegistryKey key6 = key5.CreateSubKey("Run"); //在Run键中写入一个新的键值 key6.SetValue("自动关机", exeDir); key6.Close(); //如果要取消的话就将key6.SetValue("myForm",exeDir);改成 //key6.SetValue("myForm",false); } //进入倒计时关机 public void ShutDown() { Timer1.Interval = TimeSpan.FromSeconds(1.0); Timer1.IsEnabled = true; Timer1.Tick = new EventHandler(Timer1_Tick); Timer1.Start(); } }}