/// <summary>
/// Invokes LedChanged event.
/// </summary>
/// <param name="e">Arguments passed with event.</param>
protected virtual void OnLedChanged(LedEventArgs e)
{
LedChanged?.Invoke(this, e);
}
/// <summary>
/// Starts observing LED's brightness for changes.
/// </summary>
/// <remarks>
/// Event LedChanged will be never invoked before calling this method.
/// </remarks>
public void StartListening()
{
Led.BrightnessChanged += (s, e) => { LedChanged?.Invoke(s, new LedEventArgs(e.Brightness)); };
}