ghat-gpt 告诉我的, 本机验证可用

using System;
using System.Runtime.InteropServices;

class Program
{
    [DllImport("user32.dll", SetLastError = true)]
    [return: MarshalAs(UnmanagedType.Bool)]
    static extern bool LockWorkStation();

    static void Main()
    {
        // 调用 LockWorkStation 函数锁定工作站
        if (LockWorkStation())
        {
            Console.WriteLine("Workstation locked successfully.");
        }
        else
        {
            Console.WriteLine("Failed to lock the workstation. Error code: " + Marshal.GetLastWin32Error());
        }
    }
}