Csharp/C Sharp by API/System.Net.NetworkInformation/NetworkInterface

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NetworkInterface.GetIPProperties()

<source lang="csharp"> using System; using System.Net.NetworkInformation; class MainClass {

   static void Main() {
       if (NetworkInterface.GetIsNetworkAvailable()) {
           NetworkInterface[] interfaces = NetworkInterface.GetAllNetworkInterfaces();
           foreach (NetworkInterface ni in interfaces) {
               foreach (UnicastIPAddressInformation addr in ni.GetIPProperties().UnicastAddresses) {
                   Console.WriteLine("         - {0} (lease expires {1})", addr.Address, DateTime.Now + new TimeSpan(0, 0, (int)addr.DhcpLeaseLifetime));
               }
           }
       } else {
           Console.WriteLine("No network available.");
       }
   }

}


 </source>


NetworkInterface.GetIPv4Statistics()

<source lang="csharp"> 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("    Bytes Sent: {0}", ni.GetIPv4Statistics().BytesSent);
           }
       } else {
           Console.WriteLine("No network available.");
       }
   }

}


 </source>


NetworkInterface.GetIsNetworkAvailable

<source lang="csharp"> using System; using System.Net.NetworkInformation; class MainClass {

   static void Main() {
       if (NetworkInterface.GetIsNetworkAvailable()) {
           NetworkInterface[] interfaces = NetworkInterface.GetAllNetworkInterfaces();
           foreach (NetworkInterface ni in interfaces) {
               foreach (UnicastIPAddressInformation addr in ni.GetIPProperties().UnicastAddresses) {
                   Console.WriteLine("         - {0} (lease expires {1})", addr.Address, DateTime.Now + new TimeSpan(0, 0, (int)addr.DhcpLeaseLifetime));
               }
           }
       } else {
           Console.WriteLine("No network available.");
       }
   }

}


 </source>


NetworkInterface.GetPhysicalAddress

<source lang="csharp"> 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.");
       }
   }

}


 </source>


NetworkInterface.NetworkInterfaceType

<source lang="csharp"> 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("    Type: {0}", ni.NetworkInterfaceType);
           }
       } else {
           Console.WriteLine("No network available.");
       }
   }

}


 </source>


NetworkInterface.OperationalStatus

<source lang="csharp"> 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("Interface Name: {0}", ni.Name);
           Console.WriteLine("    Description: {0}", ni.Description);
           Console.WriteLine("    ID: {0}", ni.Id);
           Console.WriteLine("    Type: {0}", ni.NetworkInterfaceType);
           Console.WriteLine("    Speed: {0}", ni.Speed);
           Console.WriteLine("    Status: {0}", ni.OperationalStatus);
       }
   }

}


 </source>


NetworkInterface.Speed

<source lang="csharp"> 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("     Speed: {0}", ni.Speed);
           }
       } else {
           Console.WriteLine("No network available.");
       }
   }

}


 </source>