/// <summary>
/// Detect the toggle state of the Devicewatcher button.
/// If auto-detect is on, disable manual enumeration buttons and start device watchers
/// If auto-detect is off, enable manual enumeration buttons and stop device watchers
/// </summary>
/// <param name="sender">Element that fired the event</param>
/// <param name="e">Event arguments</param>
private void DeviceAutoDetectToggle_Toggled(object sender, Windows.UI.Xaml.RoutedEventArgs e)
{
if (deviceAutoDetectToggle.IsOn)
{
listInputDevicesButton.IsEnabled = false;
listOutputDevicesButton.IsEnabled = false;
if (_midiInDeviceWatcher != null)
{
_midiInDeviceWatcher.Start();
}
if (_midiOutDeviceWatcher != null)
{
_midiOutDeviceWatcher.Start();
}
}
else
{
listInputDevicesButton.IsEnabled = true;
listOutputDevicesButton.IsEnabled = true;
if (_midiInDeviceWatcher != null)
{
_midiInDeviceWatcher.Stop();
}
if (_midiOutDeviceWatcher != null)
{
_midiOutDeviceWatcher.Stop();
}
}
}
/// <summary>
/// Constructor: Empty device lists, start the device watchers and
/// set initial states for buttons
/// </summary>
public MidiDeviceEnumerationTests()
{
InitializeComponent();
rootGrid.DataContext = this;
// Start with a clean slate
ClearAllDeviceValues();
// Ensure Auto-detect devices toggle is on
deviceAutoDetectToggle.IsOn = true;
// Set up the MIDI input and output device watchers
_midiInDeviceWatcher = new MidiDeviceWatcher(MidiInPort.GetDeviceSelector(), Dispatcher, inputDevices, InputDevices);
_midiOutDeviceWatcher = new MidiDeviceWatcher(MidiOutPort.GetDeviceSelector(), Dispatcher, outputDevices, OutputDevices);
// Start watching for devices
_midiInDeviceWatcher.Start();
_midiOutDeviceWatcher.Start();
// Disable manual enumeration buttons
listInputDevicesButton.IsEnabled = false;
listOutputDevicesButton.IsEnabled = false;
Unloaded += MidiDeviceEnumerationTests_Unloaded;
}
/// <summary>
/// Constructor: Start the device watcher and populate MIDI message types
/// </summary>
public MidiDeviceOutputTests()
{
InitializeComponent();
rootGrid.DataContext = this;
// Initialize the list of active MIDI output devices
_midiOutPorts = new List <IMidiOutPort>();
// Set up the MIDI output device watcher
_midiOutDeviceWatcher = new MidiDeviceWatcher(MidiOutPort.GetDeviceSelector(), Dispatcher, outputDevices, OutputDevices);
// Start watching for devices
_midiOutDeviceWatcher.Start();
// Populate message types into list
PopulateMessageTypes();
Unloaded += MidiDeviceOutputTests_Unloaded;
}