使用C#编写的一个定时关机程序之一

有很多的软件都实现了自动关机这样的功能。前一阵在Codeproject上看到一个这样的程序，整理了一下共享给大家。里面实现了关机，重启，注销等功能.

using System;
using System.Collections;
using System.ComponentModel;
using System.Drawing;
using System.Diagnostics;
using System.Runtime.InteropServices;
using System.Threading;
using System.Windows.Forms;

namespace TimerComputerShutdown
{
/// <summary>
/// Summary description for TimerComputerShutdown.
/// </summary>
public class TimerComputerShutdown : System.Windows.Forms.Form
{
  private System.Windows.Forms.Label labelWhatDoYouWantTheComputerToDo;
  private System.Windows.Forms.ComboBox comboBox;
  private System.Windows.Forms.Label labelSelectDateTimeToShutdownComputer;
  private System.Windows.Forms.DateTimePicker dateTimePicker;
  private System.Windows.Forms.Label labelDateTimeNow;
  private System.Windows.Forms.Label labelDateTimeShutdown;
  private System.Windows.Forms.Label labelNow;
  private System.Windows.Forms.Label labelShutdown;
  private System.Windows.Forms.Panel panelParent;
  private System.Windows.Forms.Panel panelChild;
  private System.Windows.Forms.CheckBox checkBox;
  private System.Windows.Forms.Button buttonCancel;
  private System.Windows.Forms.Button buttonInvoke;
  /// <summary>
  /// Required designer variable.
  /// </summary>
  private System.ComponentModel.Container components = null;
  
  private System.Threading.ThreadStart threadStart;
  private System.Threading.Thread thread;

  [DllImport("user32.dll")] private static extern
   bool SetForegroundWindow(IntPtr hWnd);
  [DllImport("user32.dll")] private static extern
   bool ShowWindowAsync(IntPtr hWnd, int nCmdShow);
  [DllImport("user32.dll")] private static extern
   bool IsIconic(IntPtr hWnd);

  private const int SW_HIDE = 0;
  private const int SW_SHOWNORMAL = 1;
  private const int SW_SHOWMINIMIZED = 2;
  private const int SW_SHOWMAXIMIZED = 3;
  private const int SW_SHOWNOACTIVATE = 4;
  private const int SW_RESTORE = 9;
  private const int SW_SHOWDEFAULT = 10;
  
  public TimerComputerShutdown()
  {
   
   InitializeComponent();

  }

  /// <summary>
  /// Clean up any resources being used.
  /// </summary>
  protected override void Dispose( bool disposing )
  {
   if( disposing )
   {
    if (components != null)
    {
     components.Dispose();
    }
   }
   base.Dispose( disposing );
  }

  #region Windows Form Designer generated code
  /// <summary>
  /// Required method for Designer support - do not modify
  /// the contents of this method with the code editor.
  /// </summary>
  private void InitializeComponent()
  {
   System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(TimerComputerShutdown));
   this.labelWhatDoYouWantTheComputerToDo = new System.Windows.Forms.Label();
   this.comboBox = new System.Windows.Forms.ComboBox();
   this.labelSelectDateTimeToShutdownComputer = new System.Windows.Forms.Label();
   this.dateTimePicker = new System.Windows.Forms.DateTimePicker();
   this.labelDateTimeNow = new System.Windows.Forms.Label();
   this.labelDateTimeShutdown = new System.Windows.Forms.Label();
   this.labelNow = new System.Windows.Forms.Label();
   this.labelShutdown = new System.Windows.Forms.Label();
   this.panelParent = new System.Windows.Forms.Panel();
   this.panelChild = new System.Windows.Forms.Panel();
   this.buttonCancel = new System.Windows.Forms.Button();
   this.buttonInvoke = new System.Windows.Forms.Button();
   this.checkBox = new System.Windows.Forms.CheckBox();
   this.panelParent.SuspendLayout();
   this.panelChild.SuspendLayout();
   this.SuspendLayout();
   //
   // labelWhatDoYouWantTheComputerToDo
   //
   this.labelWhatDoYouWantTheComputerToDo.Location = new System.Drawing.Point(8, 8);
   this.labelWhatDoYouWantTheComputerToDo.Name = "labelWhatDoYouWantTheComputerToDo";
   this.labelWhatDoYouWantTheComputerToDo.Size = new System.Drawing.Size(216, 16);
   this.labelWhatDoYouWantTheComputerToDo.TabIndex = 9;
   this.labelWhatDoYouWantTheComputerToDo.Text = "选择任务:";
   this.labelWhatDoYouWantTheComputerToDo.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
   //
   // comboBox
   //
   this.comboBox.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
   this.comboBox.Items.AddRange(new object[] {
                "关机",
                "重启",
                "待机",
                "睡眠",
                "注销"});
   this.comboBox.Location = new System.Drawing.Point(184, 8);
   this.comboBox.Name = "comboBox";
   this.comboBox.Size = new System.Drawing.Size(112, 21);
   this.comboBox.TabIndex = 0;
   this.comboBox.SelectedIndexChanged += new System.EventHandler(this.comboBox_SelectedIndexChanged);
   //
   // labelSelectDateTimeToShutdownComputer
   //
   this.labelSelectDateTimeToShutdownComputer.Location = new System.Drawing.Point(8, 32);
   this.labelSelectDateTimeToShutdownComputer.Name = "labelSelectDateTimeToShutdownComputer";
   this.labelSelectDateTimeToShutdownComputer.Size = new System.Drawing.Size(144, 16);
   this.labelSelectDateTimeToShutdownComputer.TabIndex = 7;
   this.labelSelectDateTimeToShutdownComputer.Text = "选择任务时间: ";
   this.labelSelectDateTimeToShutdownComputer.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
   //
   // dateTimePicker
   //

查看本文来源