protected override void Dispose(bool dispose)
            {
                lock (Pollers)
                {
                    if (Pollers.Contains(this))
                    {
                        Pollers.Remove(this);
                    }
                }

                base.Dispose(dispose);
            }
            public void Dispose(FileEnumeratingBasicFileController controller)
            {
                lock (Pollers)
                {
                    if (_References.Contains(controller))
                    {
                        _References.Remove(controller);
                    }

                    if (_References.Count == 0)
                    {
                        Dispose();

                        if (Pollers.Contains(this))
                        {
                            Pollers.Remove(this);
                        }
                    }
                }
            }