private void FormDevices_Load(object sender, EventArgs e) { try { // create discovery system iListenerNotify = new SsdpListenerMulticast(); // create device lists iDeviceListJukebox = new DeviceListUpnp(ServiceJukebox.ServiceType(1), iListenerNotify); // hook in to discovery events iDeviceListJukebox.EventDeviceAdded += DeviceAlive; iDeviceListJukebox.EventDeviceRemoved += DeviceByeBye; NetworkInfoModel iface = iHelper.Interface.Interface.Info; if (iface != null) { // start discovery process iListenerNotify.Start(iface.IPAddress); iDeviceListJukebox.Start(iface.IPAddress); // improve discovery process iDeviceListJukebox.Rescan(); } else { DiscoveryFailed("Device discovery failed: no valid network interface card selected"); } } catch (Linn.Network.NetworkError ne) { DiscoveryFailed("NetworkError on device discovery: " + ne.Message); } catch (Exception exc) { DiscoveryFailed("Error on device discovery: " + exc.Message); } }