How to determine which network adapter is connected to the internet

Question

I\'m writing a program in C# that needs to monitor the amount of internet bandwidth currently in use so it can do a background upload when the internet usage is low. How ca

Answer 1

use below code snippet for get the current active network adapter.

using System.Net.NetworkInformation;
using System.Linq;

class Program
{
     static void Main(string[] args)
     {
        NetworkInterface networkInterface = NetworkInterface.GetAllNetworkInterfaces().FirstOrDefault(o => o.OperationalStatus == OperationalStatus.Up && o.NetworkInterfaceType != NetworkInterfaceType.Tunnel && o.NetworkInterfaceType != NetworkInterfaceType.Loopback);
        if (networkInterface != null)
        {
            Console.WriteLine(networkInterface.Name);
        }
     }
}