Report information from NetworkInterface: IP address and DHCP Expires (DhcpLeaseLifetime) : NetworkInterface « Network « C# / CSharp Tutorial

1. C# / CSharp Tutorial
2. Network
3. NetworkInterface

using System;
using System.Net.NetworkInformation;

class MainClass
{
    static void Main()
    {
        if (!NetworkInterface.GetIsNetworkAvailable())
           return;

        NetworkInterface[] interfaces = NetworkInterface.GetAllNetworkInterfaces();

        foreach (NetworkInterface ni in interfaces)
        {

            Console.WriteLine("IP Addresses:");
            foreach (UnicastIPAddressInformation addr in ni.GetIPProperties().UnicastAddresses)
            {
                Console.WriteLine("- {0} (lease expires {1})", addr.Address, DateTime.Now + new TimeSpan(0, 0, (int)addr.DhcpLeaseLifetime));
            }
        }
    }
}

IP Addresses:
IP Addresses:
- 192.168.1.101 (lease expires 26/03/2007 8:28:25 AM)
IP Addresses:
- 127.0.0.1 (lease expires 31/12/1969 5:00:00 PM)