using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Net; // need namespace System.Net;
using System.IO; // need namespace System.IO;
using System.Net.Sockets; // need namespace System.Net.Sockets;
namespace Ip_addresses
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
label2.Text = GetPublicIP().ToString();
localIPAddress();
}
public void localIPAddress()
{
//To get the local IP address
string sHostName = Dns.GetHostName();
IPHostEntry ipE = Dns.GetHostByName(sHostName);
IPAddress[] IpA = ipE.AddressList;
for (int i = 0; i < IpA.Length; i++)
{
listBox1.Items.Add(IpA[i].ToString());
}
}
private IPAddress LocalIPAddress1()
{
if (!System.Net.NetworkInformation.NetworkInterface.GetIsNetworkAvailable())
{
return null;
}
IPHostEntry host = Dns.GetHostEntry(Dns.GetHostName());
return host.AddressList
.FirstOrDefault(Ip_addresses => Ip_addresses.AddressFamily == AddressFamily.InterNetwork);
}
public string GetPublicIP()
{
String direction = "";
WebRequest request = WebRequest.Create("http://checkip.dyndns.org/");
using (WebResponse response = request.GetResponse())
using (StreamReader stream = new StreamReader(response.GetResponseStream()))
{
direction = stream.ReadToEnd();
}
//Search for the ip in the html
int first = direction.IndexOf("Address: ") + 9;
int last = direction.LastIndexOf("</body>");
direction = direction.Substring(first, last - first);
return direction;
}
public string LocalIPAddress()
{
IPHostEntry host;
string localIP = "";
host = Dns.GetHostEntry(Dns.GetHostName());
foreach (IPAddress ip in host.AddressList)
{
if (ip.AddressFamily == AddressFamily.InterNetwork)
{
localIP = ip.ToString();
break;
}
}
return localIP;
}
private void Form1_Load(object sender, EventArgs e)
{
}
}
}
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