C#, 로컬 IP 가져오기

System.Net의 IPHostEntry 사용.

public string GetLocalIP()
{
    string localIP = "Not available, please check your network seetings!";
    IPHostEntry host = Dns.GetHostEntry(Dns.GetHostName());
    foreach (IPAddress ip in host.AddressList)
    {
        if (ip.AddressFamily == AddressFamily.InterNetwork)
        {
            localIP = ip.ToString();
            break;
        }
    }
    return localIP;
}