网卡工具类 - C#小函数类推荐

       此文记录的是网卡操作的工具类。

/***

    网卡工具类

    Austin Liu 刘恒辉
    Project Manager and Software Designer

    E-Mail: lzhdim@163.com
    Blog:   http://lzhdim.cnblogs.com
    Date:   2024-01-15 15:18:00

    使用方法：
        1、获取所有激活的网卡名称；
        List<string> list = NetworkCardUtil.GetActivatedAdaptorNameList();

        2、获取所有正在激活使用的网卡名称列表；
        List<string> NewworkCardList = GetCurrentActiveatedNetworkCardList();

***/

namespace Lzhdim.LPF.Utility
{
    using System.Collections.Generic;
    using System.Diagnostics;
    using System.Management;

    /// <summary>
    /// 网卡工具类
    /// </summary>
    public class NetworkCardUtil
    {
        /// <summary>
        /// 获得当前机器的活动网卡名称，如果列表元素为0则没联网
        /// </summary>
        /// <returns>网卡名称列表</returns>
        public static List<string> GetActivatedAdaptorNameList()
        {
            List<string> list = new List<string>();

            ManagementClass mc = new ManagementClass("Win32_NetworkAdapterConfiguration");
            ManagementObjectCollection moc = mc.GetInstances();
            foreach (ManagementObject mo in moc)
            {
                if (mo["IPEnabled"].ToString() == "True")
                {
                    list.Add(mo["Description"].ToString());
                }
            }

            return list;
        }

        /// <summary>
        /// 获取当前正在联网使用的网卡名称列表
        /// </summary>
        /// <returns>网卡名称列表。如果元素为0则没有联网的网卡。</returns>
        public static List<string> GetCurrentActiveatedNetworkCardList()
        {
            List<string> list = GetActivatedAdaptorNameList();

            PerformanceCounterCategory category = new PerformanceCounterCategory("Network Interface");

            List<string> NetworkCardList = new List<string>();

            foreach (string name in category.GetInstanceNames())
            {
                // This one exists on every computer.
                if (name == "MS TCP Loopback interface")
                    continue;

                foreach (string item in list)
                {
                    if (name.Replace('[', '(').Replace(']', ')') == item)
                    {
                        NetworkCardList.Add(name);
                    }
                }
            }

            return NetworkCardList;
        }
    }
}