国产探花免费观看_亚洲丰满少妇自慰呻吟_97日韩有码在线_资源在线日韩欧美_一区二区精品毛片,辰东完美世界有声小说,欢乐颂第一季,yy玄幻小说排行榜完本

首頁(yè) > 編程 > C++ > 正文

C#實(shí)現(xiàn)關(guān)機(jī)重啟及注銷(xiāo)實(shí)例代碼

2020-05-23 14:23:40
字體:
來(lái)源:轉(zhuǎn)載
供稿:網(wǎng)友
這篇文章主要介紹了C#實(shí)現(xiàn)關(guān)機(jī)重啟及注銷(xiāo)實(shí)例代碼,適合新手參考學(xué)習(xí)之用,需要的朋友可以參考下
 
 

本文所述的C#實(shí)例代碼是一個(gè)基于Visual C#2010編寫(xiě)的關(guān)機(jī)、重啟、注銷(xiāo)程序,類(lèi)似的C#程序網(wǎng)上還有不少,每個(gè)人的寫(xiě)法都各有不同,這段程序供新手參考下。本代碼中還用到了一個(gè)計(jì)時(shí)器,用來(lái)顯示系統(tǒng)運(yùn)行的時(shí)間,以下為完整實(shí)例代碼:

using System;using System.Drawing;using System.Collections;using System.ComponentModel;using System.Windows.Forms;using System.Data;using System.Runtime.InteropServices;using System.Threading;namespace shutdowncodes{ public class Form1 : System.Windows.Forms.Form { private System.Windows.Forms.GroupBox groupBox1; private System.Windows.Forms.TextBox textBox1; private System.Windows.Forms.Button button1; private System.Windows.Forms.Button button2; private System.Windows.Forms.Button button3; private System.ComponentModel.IContainer components; [StructLayout(LayoutKind.Sequential, Pack=1)] public struct TokPriv1Luid {  public int Count;  public long Luid;  public int Attr; } [DllImport("kernel32.dll", ExactSpelling=true)]  // GetCurrentProcess函數(shù)返回當(dāng)前進(jìn)程的一個(gè)句柄 public static extern IntPtr GetCurrentProcess(); [DllImport("advapi32.dll", ExactSpelling=true, SetLastError=true)]  // OpenProcessToken函數(shù)打開(kāi)一個(gè)進(jìn)程的訪問(wèn)代號(hào) public static extern bool OpenProcessToken(IntPtr ProcessHandles, int DesiredAccess, ref IntPtr TokenHandle); [DllImport("advapi32.dll", SetLastError=true)]  // LookupPrivilegeValue函數(shù)獲得本地唯一的標(biāo)示符(LUID),用于在特定的系統(tǒng)中  // 表示特定的優(yōu)先權(quán)。 public static extern bool LookupPrivilegeValue(string lpSystemName, string lpName, ref long lpLuid); // AdjustTokenPrivileges函數(shù)允許或者禁用指定訪問(wèn)記號(hào)的優(yōu)先權(quán)。 // 允許或者禁用優(yōu)先權(quán)需要TOKEN_ADJUST_PRIVILEGES訪問(wèn)權(quán)限。 [DllImport("advapi32.dll", ExactSpelling=true, SetLastError=true)] public static extern bool AdjustTokenPrivileges(IntPtr TokenHandle, bool DisableAllPrivileges, ref TokPriv1Luid NewState, int BufferLength, IntPtr PreviousState,IntPtr ReturnLength); // ExitWindowsEx函數(shù)可以注銷(xiāo),關(guān)機(jī)或者重新啟動(dòng)系統(tǒng) [DllImport("user32.dll", ExactSpelling=true, SetLastError=true)] public static extern bool ExitWindowsEx(int flg, int rea); private System.Threading.Timer timer; private const int SE_PRIVILEGE_ENABLED = 0x00000002; private const int TOKEN_QUERY = 0x00000008; private const int TOKEN_ADJUST_PRIVILEGES = 0x00000020; private const string SE_SHUTDOWN_NAME = "SeShutdownPrivilege"; private const int EWX_LOGOFF = 0x00000000;   // 注銷(xiāo) private const int EWX_SHUTDOWN = 0x00000001;  // 關(guān)機(jī) private const int EWX_REBOOT = 0x00000002;   // 重啟 private const int EWX_FORCE = 0x00000004; private static void RebootCommand(int flg) {  bool ok;  TokPriv1Luid tp;  IntPtr hproc = GetCurrentProcess(); // 得到當(dāng)前的進(jìn)程  IntPtr htok = IntPtr.Zero;  ok = OpenProcessToken(hproc, TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, ref htok);  tp.Count = 1;  tp.Luid = 0;  tp.Attr = SE_PRIVILEGE_ENABLED;  ok = LookupPrivilegeValue(null, SE_SHUTDOWN_NAME, ref tp.Luid);  ok = AdjustTokenPrivileges(htok, false, ref tp, 0, IntPtr.Zero, IntPtr.Zero);  ok = ExitWindowsEx(flg, 0); } public Form1() {  InitializeComponent(); } protected override void Dispose( bool disposing ) {  if( disposing )  {  if (components != null)  {   components.Dispose();  }  }  base.Dispose( disposing ); } #region Windows 窗體設(shè)計(jì)器生成的代碼 private void InitializeComponent() {  this.groupBox1 = new System.Windows.Forms.GroupBox();  this.textBox1 = new System.Windows.Forms.TextBox();  this.button1 = new System.Windows.Forms.Button();  this.button2 = new System.Windows.Forms.Button();  this.button3 = new System.Windows.Forms.Button();  this.groupBox1.SuspendLayout();  this.SuspendLayout();  //  // groupBox1  //  this.groupBox1.Controls.Add(this.textBox1);  this.groupBox1.Location = new System.Drawing.Point(48, 24);  this.groupBox1.Name = "groupBox1";  this.groupBox1.Size = new System.Drawing.Size(192, 56);  this.groupBox1.TabIndex = 0;  this.groupBox1.TabStop = false;  this.groupBox1.Text = "系統(tǒng)已運(yùn)行時(shí)間";  //  // textBox1  //  this.textBox1.Location = new System.Drawing.Point(24, 24);  this.textBox1.Name = "textBox1";  this.textBox1.ReadOnly = true;  this.textBox1.Size = new System.Drawing.Size(152, 21);  this.textBox1.TabIndex = 1;  this.textBox1.Text = "";  //  // button1  //  this.button1.Location = new System.Drawing.Point(16, 112);  this.button1.Name = "button1";  this.button1.Size = new System.Drawing.Size(64, 32);  this.button1.TabIndex = 1;  this.button1.Text = "關(guān)閉系統(tǒng)";  this.button1.Click += new System.EventHandler(this.button1_Click);  //  // button2  //  this.button2.Location = new System.Drawing.Point(112, 112);  this.button2.Name = "button2";  this.button2.Size = new System.Drawing.Size(64, 32);  this.button2.TabIndex = 2;  this.button2.Text = "注銷(xiāo)系統(tǒng)";  this.button2.Click += new System.EventHandler(this.button2_Click);  //  // button3  //  this.button3.Location = new System.Drawing.Point(208, 112);  this.button3.Name = "button3";  this.button3.Size = new System.Drawing.Size(64, 32);  this.button3.TabIndex = 3;  this.button3.Text = "重啟系統(tǒng)";  this.button3.Click += new System.EventHandler(this.button3_Click);  //  // Form1  //  this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);  this.ClientSize = new System.Drawing.Size(296, 173);  this.Controls.Add(this.button3);  this.Controls.Add(this.button2);  this.Controls.Add(this.button1);  this.Controls.Add(this.groupBox1);  this.Name = "Form1";  this.Text = "簡(jiǎn)單的關(guān)機(jī)程序";  this.Load += new System.EventHandler(this.Form1_Load);  this.groupBox1.ResumeLayout(false);  this.ResumeLayout(false); } #endregion /// <summary> /// 應(yīng)用程序的主入口點(diǎn)。 /// </summary> [STAThread] static void Main() {  Application.Run(new Form1()); } private void button1_Click(object sender, System.EventArgs e) {  RebootCommand(EWX_SHUTDOWN + EWX_FORCE); } private void button2_Click(object sender, System.EventArgs e) {  RebootCommand(EWX_LOGOFF + EWX_FORCE); } private void button3_Click(object sender, System.EventArgs e) {  RebootCommand(EWX_REBOOT + EWX_FORCE); } private void Form1_Load(object sender, System.EventArgs e) {  textBox1.Text = (Environment.TickCount / (1000 * 60)).ToString() + "分鐘";  // 每1秒鐘更新一次TextBox上顯示的系統(tǒng)運(yùn)行時(shí)間  timer = new System.Threading.Timer(new TimerCallback(OnTimer), null, 0, 1000); } // 獲得系統(tǒng)已運(yùn)行的時(shí)間 private void OnTimer(object state) {  textBox1.Text = (Environment.TickCount / (1000 * 60)).ToString() + "分鐘";  textBox1.Refresh(); } }}

發(fā)表評(píng)論 共有條評(píng)論
用戶(hù)名: 密碼:
驗(yàn)證碼: 匿名發(fā)表
主站蜘蛛池模板: 田东县| 丹寨县| 陕西省| 寻甸| 三台县| 文水县| 古田县| 吴江市| 永安市| 突泉县| 清远市| 密云县| 桂东县| 塔城市| 旬邑县| 三门县| 施秉县| 绥芬河市| 墨竹工卡县| 武乡县| 商丘市| 荃湾区| 唐山市| 宜川县| 铁力市| 万荣县| 堆龙德庆县| 河源市| 封丘县| 芜湖县| 壤塘县| 安义县| 拉萨市| 灌南县| 枣阳市| 华容县| 台江县| 廉江市| 阳朔县| 福州市| 闽侯县|