private void QueryDefaultDevice()
{
TraceLine("QueryDefaultDevice");
var currentDeviceId = _default?.Id;
_default = GetDefaultDevice();
string newDeviceId = _default?.Id;
if (currentDeviceId != newDeviceId)
{
DefaultChanged?.Invoke(this, _default);
}
}
public FormColumn()
{
InitializeComponent();
textBoxName.TextChanged += (sender, e) => ColumnNameChanged.RaiseEventEx(this);
numEditScale.ValueChanged += (sender, e) => ColumnScaleChanged.RaiseEventEx(this);
numEditCharMaxLength.ValueChanged += (sender, e) => ColumnSizeChanged.RaiseEventEx(this);
textboxDataType.TextChanged += (sender, e) => DatatypeChanged.RaiseEventEx(this);
textBoxDefault.TextChanged += (sender, e) => DefaultChanged.RaiseEventEx(this);
textBoxDescription.TextChanged += (sender, e) => DescriptionChanged.RaiseEventEx(this);
checkBoxIsNullable.CheckedChanged += (sender, e) => IsNullableChanged.RaiseEventEx(this);
integerInputOrdinalPosition.ValueChanged += (sender, e) => OrdinalPositionChanged.RaiseEventEx(this);
numEditPrecision.ValueChanged += (sender, e) => PrecisionChanged.RaiseEventEx(this);
}
private void DeviceManager_DefaultDeviceChanged(object sender, IAudioDevice e)
{
if (e == null)
{
Default = null;
DefaultChanged?.Invoke(this, Default);
}
else
{
var dev = AllDevices.FirstOrDefault(d => d.Id == e.Id);
if (dev != null)
{
Default = dev;
DefaultChanged?.Invoke(this, Default);
}
}
}
private void SetDefault(DeviceViewModel device)
{
if (Default != null)
{
Default.PropertyChanged -= OnDefaultDevicePropertyChanged;
}
Default = device;
DefaultChanged?.Invoke(this, Default);
if (Default != null)
{
Default.PropertyChanged += OnDefaultDevicePropertyChanged;
}
// Let clients know that even though no properties changed, the underlying object changed.
OnDefaultDevicePropertyChanged(this, new PropertyChangedEventArgs(DefaultDeviceChangedProperty));
}
private void QueryDefaultPlaybackDevice()
{
Trace.WriteLine("AudioDeviceManager QueryDefaultPlaybackDevice");
IMMDevice device = null;
try
{
device = _enumerator.GetDefaultAudioEndpoint(EDataFlow.eRender, ERole.eMultimedia);
}
catch (Exception ex) when(ex.Is(Error.ERROR_NOT_FOUND))
{
// Expected.
}
string newDeviceId = device?.GetId();
var currentDeviceId = _defaultPlaybackDevice?.Id;
if (currentDeviceId != newDeviceId)
{
_devices.TryFind(newDeviceId, out _defaultPlaybackDevice);
DefaultChanged?.Invoke(this, _defaultPlaybackDevice);
}
}
