private void RunWorkerThread()
        {
            do
            {
                lock (_workerThread)
                {
                    if (!_flushNecessary)
                    {
                        Monitor.Wait(_workerThread, FlushAtAge);
                        _flushNecessary = false;
                    }
                }

                FlushRequest();
            } while (!_disposed);
        }

        private void FlushRequest()
        {
            lock (_queue)
            {
                _count = 0;
                _strSize = 0;
                _lastFlush = DateTime.Now.Millisecond;

                if (_queue.Count == 0)
                {
                    return;
                }

                while (_queue.Count > 0)
                {
                    _flushQueue.Add(_queue.Dequeue());
                }
            }

            lock (_targetsLock)
            {
                var count = _autoFlushTargets.Count;

                ILogTarget autoFlushTarget;
                for (var i = 0; i < count; i++)
                {
                    autoFlushTarget = _autoFlushTargets[i];
                    autoFlushTarget.Log(_flushQueue);
                }
            }

            _flushQueue.Clear();
        }

        #endregion

        /// <summary>
        /// Releases unmanaged and - optionally - managed resources.
        /// </summary>
        public void Dispose()
        {
            LoadingNotifier.Dispose();

            _disposed = true;

            FlushRequest();

            lock (_workerThread)
            {
                Monitor.Pulse(_workerThread);
            }

            var count = _autoFlushTargets.Count;
            for (var i = 0; i < count; i++)
            {
                var target = _autoFlushTargets[i];
                target.Dispose();
            }

            count = _instantTargets.Count;
            for (var i = 0; i < count; i++)
            {
                var target = _instantTargets[i];
                target.Dispose();
            }
        }