FSClient.Broker.ActiveHeadset C# (CSharp) Method

		public string ActiveHeadset() {
			return headset_plugin_manager.ActiveDevice();
		}

        private void load_devices(bool from_settings)
        {
            PortAudio.AudioDevice[] devices = broker.audio_devices;
            comboSpeakerInput.ItemsSource = comboHeadsetInput.ItemsSource = (from d in devices where d.inputs > 0 select d).ToArray();
            comboRingDevice.ItemsSource   = comboSpeakerOutput.ItemsSource = comboHeadsetOutput.ItemsSource = (from d in devices where d.outputs > 0 select d).ToArray();
            string old_selected_item = comboHeadsetDevice.SelectedItem as string;

            comboHeadsetDevice.Items.Clear();
            comboHeadsetDevice.Items.Add("None");
            foreach (string headset in broker.AvailableHeadsets())
            {
                comboHeadsetDevice.Items.Add(headset);
            }
            comboHeadsetDevice.SelectedItem = old_selected_item;
            if (from_settings)
            {
                comboHeadsetInput.SelectedItem  = broker.HeadsetInDev;
                comboHeadsetOutput.SelectedItem = broker.HeadsetOutDev;
                comboSpeakerInput.SelectedItem  = broker.SpeakerInDev;
                comboSpeakerOutput.SelectedItem = broker.SpeakerOutDev;
                comboRingDevice.SelectedItem    = broker.RingDev;
                chkIncomingBalloons.IsChecked   = broker.IncomingBalloons;
                string incoming_key = "None";
                if (broker.IncomingTopMost)
                {
                    incoming_key = broker.IncomingKeyboardFocus ? "FrontKeyboard" : "Front";
                }
                comboOnIncomingCall.SelectedItem = (from g in IncomingCallOptions where g.key == incoming_key select g).FirstOrDefault();
                if (comboOnIncomingCall.SelectedIndex == -1)
                {
                    comboOnIncomingCall.SelectedIndex = 1;
                }
                chkClearDTMFS.IsChecked      = broker.ClearDTMFS;
                chkUseNumbers.IsChecked      = broker.UseNumberOnlyInput;
                chkUpdatesOnStart.IsChecked  = broker.CheckForUpdates != "Never";
                chkNAT.IsChecked             = broker.UPNPNAT;
                txtRecordingPath.Text        = broker.recordings_folder;
                chkDirectSip.IsChecked       = broker.DirectSipDial;
                comboGUIStartup.SelectedItem = (from g in GuiOptions where g.key == broker.GUIStartup select g).FirstOrDefault();
                if (comboGUIStartup.SelectedIndex == -1)
                {
                    comboGUIStartup.SelectedIndex = 0;
                }
                comboTheme.SelectedItem = (from g in themes where g.key == broker.theme select g).FirstOrDefault();
                if (comboTheme.SelectedIndex == -1)
                {
                    comboTheme.SelectedIndex = 0;
                }
                comboHeadsetDevice.SelectedItem = broker.ActiveHeadset();
                if (comboHeadsetDevice.SelectedIndex == -1)
                {
                    comboHeadsetDevice.SelectedIndex = 0;
                }
            }
        }