C# 获取电脑的IP，网关，MAC，计算机名。。

【实例截图】

【核心代码】

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Net;
using System.Net.Sockets;
using System.Net.NetworkInformation;

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

        private void button1_Click(object sender, EventArgs e)
        {
            string HostName = Dns.GetHostName();
            IPHostEntry IpEntry = Dns.GetHostEntry(HostName);
            for (int i = 0; i < IpEntry.AddressList.Length; i  )
            {
                //从IP地址列表中筛选出IPv4类型的IP地址
                //AddressFamily.InterNetwork表示此IP为IPv4,
                //AddressFamily.InterNetworkV6表示此地址为IPv6类型
                if (IpEntry.AddressList[i].AddressFamily == AddressFamily.InterNetwork)
                {
                    //MessageBox.Show(IpEntry.AddressList[i].ToString());
                    textBox1.Text = IpEntry.AddressList[i].ToString();
                    textBox2.Text = HostName;
                   

                }
            }
      

            NetworkInterface[] networkInterface =  NetworkInterface.GetAllNetworkInterfaces();
            foreach (NetworkInterface adapter in networkInterface)
            {
                
                listBox1.Items.Add("描述------------："   adapter.Description);
                listBox1.Items.Add("网络适配器的名称："   adapter.Description);
                listBox1.Items.Add("接口类型--------："   adapter.NetworkInterfaceType);
                listBox1.Items.Add("状态------------："   adapter.OperationalStatus);


                PhysicalAddress address = adapter.GetPhysicalAddress();
                byte[] bytes = address.GetAddressBytes();
                listBox1.Items.Add("MAC-------------：");
                for (int i = 0; i < bytes.Length; i  )
                {
                    listBox1.Items.Add(bytes[i].ToString("X2"));
                    if (i != bytes.Length - 1)
                    {
                        listBox1.Items.Add("-");
                    }
                }
      
            }








        }



        public static void ShowNetwork()
        {
            NetworkInterface[] networkInterface =
                    NetworkInterface.GetAllNetworkInterfaces();
            foreach (NetworkInterface adapter in networkInterface)
            {
                Console.WriteLine("描述------------："   adapter.Description);
                Console.WriteLine("网络适配器的名称："   adapter.Name);
                Console.WriteLine("接口类型--------："   adapter.NetworkInterfaceType);
                Console.WriteLine("状态------------："   adapter.OperationalStatus);
                PhysicalAddress address = adapter.GetPhysicalAddress();
                byte[] bytes = address.GetAddressBytes();
                Console.Write("MAC-------------：");
                for (int i = 0; i < bytes.Length; i  )
                {
                    Console.Write("{0}", bytes[i].ToString("X2"));
                    if (i != bytes.Length - 1)
                    {
                        Console.Write("-");
                    }
                }
                Console.WriteLine();
                Console.WriteLine("=======分割线=========");
                Console.WriteLine();
            }
        }

      


    }
}