How to get IP Address of a computer in C#

To get the IP address of the local machine in C#, system.net namespace is needed. From the IPHostEntry class, we can get the address list in a string array.

using System.Net;
private string GetIP() {
     string strHostName = "";
     strHostName = System.Net.Dns.GetHostName();
     IPHostEntry ipEntry = System.Net.Dns.GetHostEntry(strHostName);
     IPAddress[] addr = ipEntry.AddressList;

     return addr[addr.Length-1].ToString();
}