using System;
using System.Diagnostics;
class Program
{
    static void Main(string[] args)
    {
        int delayMinutes = 5; // 延遲時間，例如5分鐘
        string shutdownCommand = $"-s -t {delayMinutes * 60}";
        // 調(diào)用shutdown命令實現(xiàn)延時關(guān)機
        ProcessStartInfo psi = new ProcessStartInfo("shutdown", shutdownCommand);
        psi.Verb = "runas"; // 需要管理員權(quán)限
        Process process = Process.Start(psi);
        if (process != null)
        {
            Console.WriteLine($"電腦將在{delayMinutes}分鐘后關(guān)閉。");
        }
        else
        {
            Console.WriteLine("無法執(zhí)行關(guān)機命令，請確保以管理員身份運行此程序。");
        }
    }
}

// 取消關(guān)機命令
public static void CancelShutdown()
{
    ProcessStartInfo cancelPsi = new ProcessStartInfo("shutdown", "-a");
    cancelPsi.Verb = "runas"; // 需要管理員權(quán)限
    Process cancelProcess = Process.Start(cancelPsi);
    if (cancelProcess != null)
    {
        Console.WriteLine("關(guān)機已取消。");
    }
    else
    {
        Console.WriteLine("無法取消關(guān)機命令，請確保以管理員身份運行此程序。");
    }
}

using System;
using System.Runtime.InteropServices;
public class Program
{
    // 導(dǎo)入ExitWindowsEx函數(shù)
    [DllImport("kernel32.dll", SetLastError = true)]
    private static extern bool ExitWindowsEx(uint uFlags, uint dwReason);
    // 定義關(guān)機、重啟、注銷相關(guān)的常量
    const uint EWX_LOGOFF = 0x00000000; // 注銷
    const uint EWX_SHUTDOWN = 0x00000001; // 關(guān)機并關(guān)閉電源
    const uint EWX_REBOOT = 0x00000002; // 重啟
    const uint EWX_POWEROFF = 0x00000008; // 關(guān)機（不重啟）
    const uint SHTDN_REASON_MAJOR_APPLICATION = 0x00030000; // 應(yīng)用程序關(guān)機理由
    const uint SHTDN_REASON_MINOR_MAINTENANCE = 0x00000004; // 維護(hù)關(guān)機子理由
    public static void Main(string[] args)
    {
        // 根據(jù)命令行參數(shù)決定執(zhí)行的操作
        string action = "shutdown"; // 默認(rèn)為關(guān)機
        if (args.Length > 0)
        {
            action = args[0].ToLower();
        }
        uint flags;
        switch (action)
        {
            case "logoff":
                flags = EWX_LOGOFF;
                Console.WriteLine("電腦將執(zhí)行注銷操作...");
                break;
            case "restart":
                flags = EWX_REBOOT;
                Console.WriteLine("電腦將執(zhí)行重啟操作...");
                break;
            case "shutdown":
                flags = EWX_POWEROFF; // 或使用EWX_SHUTDOWN取決于是否需要關(guān)閉電源
                Console.WriteLine("電腦將執(zhí)行關(guān)機操作...");
                break;
            default:
                Console.WriteLine("未知操作。支持的操作有：logoff, restart, shutdown");
                return;
        }
        // 執(zhí)行操作
        if (ExitWindowsEx(flags | SHTDN_REASON_MAJOR_APPLICATION | SHTDN_REASON_MINOR_MAINTENANCE, 0))
        {
            Console.WriteLine($"操作已開始...");
        }
        else
        {
            Console.WriteLine("操作請求失敗。請檢查錯誤碼。");
        }
    }
}

<requestedExecutionLevel level="requireAdministrator" uiAccess="false" />