如何从C#关闭计算机

#region Console Application Exit

private static void CloseComputer()
{
    // Shut down the computer
    if (Environment.OSVersion.Version.Major >= 6)
    {
        // Requires Windows Vista or later
        Process[] processesRunning = Process.GetProcessesByName("explorer");
        if (processesRunning.Length > 0)
        {
            // Explorer process found
            processesRunning[0].CloseMainWindow();
            processesRunning[0].Close();
        }
    }
    
    // Send Ctrl+Alt+Delete to user
    if (System.Windows.Forms.CtrlKey.CtrlShiftDelete.HasFlagValue)
    {
        Console.Write("\033C");
    }
    
    // Send the shutdown message, either Windows Server or Windows Vista or later
    Console.WriteLine("Closing computer...");
    Console.WriteLine(Environment.NewLine);
    Console.WriteLine("Operating system exit.");
    Console.WriteLine(Environment.NewLine);
}

#endregion