/// <summary>
/// Adds a device data listener.
/// </summary>
/// <param name="listener">The listener to add</param>
/// <returns><c>true</c>, if the device listener was added, <c>false</c> otherwise.</returns>
///
public bool AddDeviceListener(DeviceListener listener)
{
bool added = false;
if (!deviceListeners.ContainsKey(listener))
{
Device device = scene.FindDevice(listener.GetDeviceName());
deviceListeners.Add(listener, device);
added = true;
// immediately trigger callback
listener.DeviceChanged(device);
}
return(added);
}