/// <summary>
/// Unsubscribes the specified <paramref name="handler"/> from the controller with the specified <paramref name="controllerId"/>.
/// The handler won't get executed on a change of the controller.
/// </summary>
/// <param name="controllerId">The id of the controller to not anymore observe.</param>
/// <param name="handler">The handler to unsubscribe.</param>
public void UnsubsribeFromControllerChanges(int controllerId, Action <IController> handler)
{
IController controller = ControllerTree.GetController(controllerId);
foreach (Tag controllerTag in controller.GetAllAssociatedTags())
{
controllerTag.ValueChanged -= NotifySubscribers;
SlowTagListener.RemoveTag(controllerTag);
}
lock (_lockSubscribers)
{
_subscribers.RemoveAll(t => Equals(t.Item2, handler));
}
}
