using System; using System.Net.NetworkInformation; class MainClass { static void Main() { if (NetworkInterface.GetIsNetworkAvailable()) { NetworkInterface[] interfaces = NetworkInterface.GetAllNetworkInterfaces(); foreach (NetworkInterface ni in interfaces) { Console.WriteLine(" Description: {0}", ni.Description); } } else { Console.WriteLine("No network available."); } } }
NetworkInterface: Name
using System; using System.Net.NetworkInformation; class MainClass { static void Main() { if (NetworkInterface.GetIsNetworkAvailable()) { NetworkInterface[] interfaces = NetworkInterface.GetAllNetworkInterfaces(); foreach (NetworkInterface ni in interfaces) { Console.WriteLine("Interface Name: {0}", ni.Name); } } else { Console.WriteLine("No network available."); } } }
NetworkInterface: GetAllNetworkInterfaces
using System; using System.Net.NetworkInformation; class MainClass { static void Main() { if (NetworkInterface.GetIsNetworkAvailable()) { NetworkInterface[] interfaces = NetworkInterface.GetAllNetworkInterfaces(); foreach (NetworkInterface ni in interfaces) { Console.WriteLine("Interface Name: {0}", ni.Name); } } else { Console.WriteLine("No network available."); } } }
NetworkInterface:NetworkAddressChanged event
using System; using System.Net.NetworkInformation; class MainClass { private static void NetworkAddressChanged(object sender, EventArgs e) { Console.WriteLine("Current IP Addresses:"); foreach (NetworkInterface ni in NetworkInterface.GetAllNetworkInterfaces()) { foreach (UnicastIPAddressInformation addr in ni.GetIPProperties().UnicastAddresses) { Console.WriteLine(" - {0} (lease expires {1})", addr.Address, DateTime.Now + new TimeSpan(0, 0, (int)addr.DhcpLeaseLifetime)); } } } static void Main(string[] args) { NetworkChange.NetworkAddressChanged += NetworkAddressChanged; } }
NetworkInterface: NetworkAvailabilityChanged event
using System; using System.Net.NetworkInformation; class MainClass { private static void NetworkAvailabilityChanged(object sender, NetworkAvailabilityEventArgs e) { if (e.IsAvailable) { Console.WriteLine("Network Available"); } else { Console.WriteLine("Network Unavailable"); } } static void Main(string[] args) { NetworkChange.NetworkAvailabilityChanged += NetworkAvailabilityChanged; } }
NetworkInterface: OperationalStatus
using System; using System.Net.NetworkInformation; class MainClass { static void Main() { if (NetworkInterface.GetIsNetworkAvailable()) { NetworkInterface[] interfaces = NetworkInterface.GetAllNetworkInterfaces(); foreach (NetworkInterface ni in interfaces) { Console.WriteLine(" Status: {0}", ni.OperationalStatus); } } else { Console.WriteLine("No network available."); } } }
NetworkInterface: GetPhysicalAddress
using System; using System.Net.NetworkInformation; class MainClass { static void Main() { if (NetworkInterface.GetIsNetworkAvailable()) { NetworkInterface[] interfaces = NetworkInterface.GetAllNetworkInterfaces(); foreach (NetworkInterface ni in interfaces) { Console.WriteLine(" Physical Address: {0}", ni.GetPhysicalAddress().ToString()); } } else { Console.WriteLine("No network available."); } } }