如何通过C#检测Windows Server上的虚拟专用网登录

using System;
using System.Diagnostics;
using System.Management;

namespace VPNLoginDetection
{
    class Program
    {
        static void Main(string[] args)
        {
            // 设置查询条件
            string query = "SELECT * FROM Win32_LogonSession WHERE LogonType = 10";
            ManagementObjectSearcher searcher = new ManagementObjectSearcher(query);

            // 执行查询
            ManagementObjectCollection results = searcher.Get();

            // 遍历结果
            foreach (ManagementObject obj in results)
            {
                // 获取登录会话的用户名
                string username = obj["UserName"].ToString();

                // 获取登录会话的起始时间
                string startTime = ManagementDateTimeConverter.ToDateTime(obj["StartTime"].ToString()).ToString();

                // 输出登录信息
                Console.WriteLine("Detected VPN login:");
                Console.WriteLine("Username: " + username);
                Console.WriteLine("Start Time: " + startTime);
                Console.WriteLine("-----------------------------------");
            }

            Console.ReadLine();
        }
    }
}