NetworkInterface.GetAllNetworkInterfaces NetworkInterface.GetAllNetworkInterfaces NetworkInterface.GetAllNetworkInterfaces NetworkInterface.GetAllNetworkInterfaces Method

Definition

Returns objects that describe the network interfaces on the local computer.

public:
 static cli::array <System::Net::NetworkInformation::NetworkInterface ^> ^ GetAllNetworkInterfaces();
public static System.Net.NetworkInformation.NetworkInterface[] GetAllNetworkInterfaces ();
static member GetAllNetworkInterfaces : unit -> System.Net.NetworkInformation.NetworkInterface[]
Public Shared Function GetAllNetworkInterfaces () As NetworkInterface()

Returns

A NetworkInterface array that contains objects that describe the available network interfaces, or an empty array if no interfaces are detected.

Exceptions

Examples

The following code example displays Domain Name Service (DNS) configuration information for the local computer's network adapters.

void DisplayDnsConfiguration()
{
   array<NetworkInterface^>^adapters = NetworkInterface::GetAllNetworkInterfaces();
   System::Collections::IEnumerator^ myEnum10 = adapters->GetEnumerator();
   while ( myEnum10->MoveNext() )
   {
      NetworkInterface ^ adapter = safe_cast<NetworkInterface ^>(myEnum10->Current);
      IPInterfaceProperties ^ properties = adapter->GetIPProperties();
      Console::WriteLine( adapter->Description );
      Console::WriteLine( "  DNS suffix................................. :{0}", 
         properties->DnsSuffix );
      Console::WriteLine( "  DNS enabled ............................. : {0}", 
         properties->IsDnsEnabled );
      Console::WriteLine( "  Dynamically configured DNS .............. : {0}", 
         properties->IsDynamicDnsEnabled );
   }
}
public static void DisplayDnsConfiguration()
{
    NetworkInterface[] adapters = NetworkInterface.GetAllNetworkInterfaces();
    foreach (NetworkInterface adapter in adapters)
    {
        IPInterfaceProperties properties = adapter.GetIPProperties();
        Console.WriteLine(adapter.Description);
        Console.WriteLine("  DNS suffix .............................. : {0}",
            properties.DnsSuffix);
        Console.WriteLine("  DNS enabled ............................. : {0}", 
            properties.IsDnsEnabled);
        Console.WriteLine("  Dynamically configured DNS .............. : {0}", 
            properties.IsDynamicDnsEnabled);
    }
    Console.WriteLine();
}
Public Shared Sub DisplayDnsConfiguration() 
    Dim adapters As NetworkInterface() = NetworkInterface.GetAllNetworkInterfaces()
    Dim adapter As NetworkInterface
    For Each adapter In  adapters
        Dim properties As IPInterfaceProperties = adapter.GetIPProperties()
        Console.WriteLine(adapter.Description)
        Console.WriteLine("  DNS suffix................................. :{0}", properties.DnsSuffix)
        Console.WriteLine("  DNS enabled ............................. : {0}", properties.IsDnsEnabled)
        Console.WriteLine("  Dynamically configured DNS .............. : {0}", properties.IsDynamicDnsEnabled)
    Next adapter

End Sub

Remarks

The network interfaces on a computer provide network connectivity. Network interfaces are also known as network adapters.

Applies to