获取本机IPv4地址

控制台程序：

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Net;
using System.Net.Sockets;
using System.Collections.Specialized;

namespace Test
{
    class Program
    {
        static void Main(string[] args)
        {
            foreach (string IPv4 in GetLocalIPv4())
            {
                Console.WriteLine(IPv4);
            }
            Console.Read();

        }

        static string[] GetLocalIPv4()
        {
            StringCollection IPCollection = new StringCollection();
            IPAddress[] localIPs = Dns.GetHostAddresses(Dns.GetHostName());
            foreach (IPAddress IPv4 in localIPs)
            {
                if (IPv4.AddressFamily == AddressFamily.InterNetwork)
                {
                    IPCollection.Add(IPv4.ToString());
                }
            }

            string[] IPArray = new string[IPCollection.Count];
            IPCollection.CopyTo(IPArray, 0);
            return IPArray;
        }
    }
}