How do I get the network interface and its right IPv4 address?

Question

I need to know how to get all network interfaces with their IPv4 address. Or just wireless and Ethernet.

To get all network interfaces details I use this:

Answer 1

One line with Lamda:

using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Net.Sockets;
using System.Net.NetworkInformation;

var ipV4s = NetworkInterface.GetAllNetworkInterfaces()
    .Select(i => i.GetIPProperties().UnicastAddresses)
    .SelectMany(u => u)
    .Where(u => u.Address.AddressFamily == AddressFamily.InterNetwork)
    .Select(i => i.Address);