C# 获得本机IP、端口等信息地址以及服务器IP信息

    using System.Net;  

namespace IPExample
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        /// <summary>
        /// 获得本机IP信息
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btn_ShowHostIPInfo_Click(object sender, EventArgs e)
        {
            lst_HostIPInfo.Items.Clear();
            string name = Dns.GetHostName();
            lst_HostIPInfo.Items.Add("本机主机名："+name);
            IPHostEntry me = Dns.GetHostEntry(name);
            lst_HostIPInfo.Items.Add("本机所有IP地址：");
            foreach (IPAddress ip in me.AddressList)
            {
                lst_HostIPInfo.Items.Add(ip);
            }
            IPAddress localIp = IPAddress.Parse("127.0.0.1");
            IPEndPoint iep = new IPEndPoint(localIp, 80);
            lst_HostIPInfo.Items.Add("IP端点：" + iep.ToString());
            lst_HostIPInfo.Items.Add("IP端口：" + iep.Port);
            lst_HostIPInfo.Items.Add("IP地址：" + iep.Address);
            lst_HostIPInfo.Items.Add("IP地址族：" + iep.AddressFamily);
            lst_HostIPInfo.Items.Add("可分配端口最大值：" + IPEndPoint.MaxPort);
            lst_HostIPInfo.Items.Add("可分配端口最小值：" + IPEndPoint.MinPort);
        }


        /// <summary>
        /// 获得服务器信息
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btn_ShowServerInfo_Click(object sender, EventArgs e)
        {
            lst_ServerIPInfo.Items.Clear();
            IPHostEntry remoteHost = Dns.GetHostEntry(txt_ServerIPAddress.Text);
            IPAddress[] remoteIp = remoteHost.AddressList;
            IPEndPoint iep;
            foreach (IPAddress ip in remoteIp)
            {
                iep = new IPEndPoint(ip, 80);
                lst_ServerIPInfo.Items.Add(iep);
            }
        }


    }
}