API Reference class NatTest {
public static void Main(string[] args) {
new NatTest ();
} [/pre]¶

public NatTest ()
    {

        NatUtility.DeviceFound += DeviceFound;

        NatUtility.DeviceLost += DeviceLost;
}

NatUtility.StartDiscovery ();

    Console.ReadLine();

}

private void DeviceFound(object sender, DeviceEventArgs args)
{

    INatDevice device = args.Device;
}

// Create a mapping to forward external port 3000 to local port 1500

device.CreatePortMap(new Mapping(Protocol.Tcp, 1500, 3000));

// Retrieve the details for the port map for external port 3000

Mapping m = device.GetSpecificMapping(Protocol.Tcp, 3000);

// Get all the port mappings on the device and delete them

foreach (Mapping mp in device.GetAllMappings())

    device.DeletePortMap(mp);

// Get the external IP address

IPAddress externalIP = device.GetExternalIP();

private void DeviceLost (object sender, DeviceEventArgs args)
{

    INatDevice device = args.Device;
}

Console.WriteLine ("Device Lost");

Console.WriteLine ("Type: {0}", device.GetType().Name);