//设置注销、关闭、重新启动计算机参数

     

   [DllImport("user32.dll", EntryPoint = "ExitWindowsEx", CharSet = CharSet.Ansi)]

        private static extern int ExitWindowsEx(int uFlags, int dwReserved);

        //注销计算机

        public void logout()

        {

            ExitWindowsEx(0, 0);

        }

       //关闭计算机

        public void closepc()

        {

            //创建访问控制本地系统进程的对象实例

            System.Diagnostics.Process myprocess = new System.Diagnostics.Process();

            myprocess.StartInfo.FileName = "cmd.exe";

            myprocess.StartInfo.UseShellExecute = false;

            myprocess.StartInfo.RedirectStandardInput = true;

            myprocess.StartInfo.RedirectStandardOutput = true;

            myprocess.StartInfo.RedirectStandardError = true;

            myprocess.StartInfo.CreateNoWindow = true;

            myprocess.Start();

            myprocess.StandardInput.WriteLine("shutdown -s -t 0");

        }

        //重新启动计算机

        public void afreshstartpc()

        {

            //创建访问控制本地系统进程的对象实例

            System.Diagnostics.Process myprocess = new System.Diagnostics.Process();

            myprocess.StartInfo.FileName = "cmd.exe";

            myprocess.StartInfo.UseShellExecute = false;

            myprocess.StartInfo.RedirectStandardInput = true;

            myprocess.StartInfo.RedirectStandardOutput = true;

            myprocess.StartInfo.RedirectStandardError = true;

            myprocess.StartInfo.CreateNoWindow = true;

            myprocess.Start();

            myprocess.StandardInput.WriteLine("shutdown -r -t 0");

        }