C#实现控制电脑注销,关机和重启

Process.StartInfo.FileName Process.StartInfo.FileName = "cmd.exe" 

Process.StartInfo.UseShellExecute Process.StartInfo.UseShellExecute = false 

// Run "csc.exe /r:System.dll /out:sample.exe stdstr.cs". UseShellExecute is false because we're specifying // an executable directly and in this case depending on it being in a PATH folder. By setting // RedirectStandardOutput to true, the output of csc.exe is directed to the Process.StandardOutput stream // which is then displayed in this console window directly. using (Process compiler = new Process()) { compiler.StartInfo.FileName = "csc.exe"; compiler.StartInfo.Arguments = "/r:System.dll /out:sample.exe stdstr.cs"; compiler.StartInfo.UseShellExecute = false; compiler.StartInfo.RedirectStandardOutput = true; compiler.Start(); Console.WriteLine(compiler.StandardOutput.ReadToEnd()); compiler.WaitForExit(); } 

public static extern bool SendMessage(IntPtr hwdn, int wMsg, int mParam, int lParam); //从exe\dll\ico文件中获取指定索引或ID号的图标句柄 [DllImport("shell32.dll", EntryPoint = "ExtractIcon")] //获取文件图标的API函数 [DllImport("shell32.dll", EntryPoint = "SHGetFileInfo")] public static extern IntPtr SHGetFileInfo(string pszPath, uint dwFileAttribute, ref SHFILEINFO psfi, uint cbSizeFileInfo, uint Flags); //从exe\dll\ico文件中生成图标句柄数组 [DllImport("shell32.dll")] public static extern uint ExtractIconEx(string lpszFile, int nIconIndex, int[] phiconLarge, int[] phiconSmall, uint nIcons); //清空指定驱动器的回收站 [DllImport("shell32.dll")] public static extern int SHEmptyRecycleBin(IntPtr hwnd, int pszRootPath, int dwFlags); //打开系统的命令窗口 [DllImport("shell32.dll", EntryPoint = "ShellExecute")] public static extern int ShellExecute(int hwnd, String lpOperation, String lpFile, String lpParameters, String lpDirectory, int nShowCmd); 

  //用来释放被当前线程中某个窗口捕获的光标 [DllImport("user32.dll")] public static extern bool ReleaseCapture(); //向指定的窗体发送Windows消息 [DllImport("user32.dll")] public static extern bool SendMessage(IntPtr hwdn, int wMsg, int mParam, int lParam); //获取文件夹图标的API函数 [DllImport("User32.dll", EntryPoint = "DestroyIcon")] public static extern int DestroyIcon(IntPtr hIcon); //查询或设置系统级参数 [DllImport("user32.dll", EntryPoint = "SystemParametersInfoA")] public static extern Int32 SystemParametersInfo(Int32 uAction, Int32 uParam, string lpvparam, Int32 fuwinIni); //定义系统API入口点，用来关闭、注销或者重启计算机 [DllImport("user32.dll", EntryPoint = "ExitWindowsEx", CharSet = CharSet.Ansi)] public static extern int ExitWindowsEx(int uFlags, int dwReserved); 

//public为修饰符，People为结构体名称，name、age、sex为结构体成员，每个成员包括修饰符、数据类型。 public struct People { public string name; public int age; public char sex ; }; 

[StructLayout(LayoutKind.Sequential)] struct num { int a; int b; } //默认情况下在内存里是先排a,再排b //也就是如果能取到a的地址,和b的地址,则相差一个int类型的长度,4字节 

[StructLayout(LayoutKind.Explicit)] struct S1 { [FieldOffset(0)] int a; [FieldOffset(0)] int b; } //需要用FieldOffset()设置每个成员的位置 //这样就可以实现类似c的公用体的功能 

[StructLayout(LayoutKind.Sequential)] public struct SHFILEINFO { public IntPtr hIcon;//图标句柄 public IntPtr iIcon;//系统图标列表的索引 public uint dwAttributes;//文件属性 [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 260)] public string szDisplayName;//文件的路径 [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 80)] public string szTypeName;//文件的类型名 } 

//定义系统API入口点，用来关闭、注销或者重启计算机 [DllImport("user32.dll", EntryPoint = "ExitWindowsEx", CharSet = CharSet.Ansi)] public static extern int ExitWindowsEx(int uFlags, int dwReserved) 

 public void CMDOperator(string cmd) { Process myProcess = new Process();//创建进程对象 myProcess.StartInfo.FileName = "cmd.exe";//设置打开cmd命令窗口 myProcess.StartInfo.UseShellExecute = false;//不使用操作系统shell启动进程的值 myProcess.StartInfo.RedirectStandardInput = true;//设置可以从标准输入流读取值 myProcess.StartInfo.RedirectStandardOutput = true;//设置可以向标准输出流写入值 myProcess.StartInfo.RedirectStandardError = true;//设置可以显示输入输出流中出现的错误 myProcess.StartInfo.CreateNoWindow = true;//设置在新窗口中启动进程 myProcess.Start();//启动进程 myProcess.StandardInput.WriteLine(cmd);//传入要执行的命令 } 

//注销按钮事件程序 //调用win32类中的ExitWindowsEx方法。 private void button1_Click(object sender, EventArgs e) { Win32.ExitWindowsEx(0, 0);//注销计算机 } //关机按钮事件程序 //调用Opera类中的CMDOperator方法。使用shell脚本触发 private void button2_Click(object sender, EventArgs e) { oper.CMDOperator("shutdown -s -t 0");//关闭计算机 } //重启按钮事件程序 //调用Opera类中的CMDOperator方法。使用shell脚本触发 private void button3_Click(object sender, EventArgs e) { oper.CMDOperator("shutdown -r -t 0");//重启计算机 }