Стратегия и выставленные заявки

private IEnumerable<PlazaStream> RevisionStreams
        {
            get
            {
                return new[]
				{
					_trader.StreamRegistry.CommonFutureStream,
					_trader.StreamRegistry.SessionContentsFutureStream,
					_trader.StreamRegistry.CommonOptionStream,
					_trader.StreamRegistry.SessionContentsOptionStream,
					_trader.StreamRegistry.PortfoliosStream,
					_trader.StreamRegistry.PositionsStream,
					_trader.StreamRegistry.DealFutureStream,
					_trader.StreamRegistry.DealOptionStream,
					_trader.StreamRegistry.OrdersLogFutureStream,
					_trader.StreamRegistry.OrdersLogOptionStream,
					_trader.StreamRegistry.SessionFutureStream
				};
            }
        }

        private const string _revFile = "revisions.xml";

        private void SaveRevisions()
        {
            lock (_revFile)
                new XmlSerializer<IEnumerable<int>>().Serialize(RevisionStreams.Select(s => s.Revision), _revFile);
        }

        private void LoadRevisions()
        {
            if (File.Exists(_revFile))
            {
                try
                {
                    int[] revs;

                    lock (_revFile)
                        revs = new XmlSerializer<IEnumerable<int>>().Deserialize(_revFile).ToArray();

                    var index = 0;

                    foreach (var stream in RevisionStreams)
                    {
                        System.Diagnostics.Trace.WriteLine("{0} LoadRevisions {1}".Put(stream.Table.Name, revs[index]));
                        stream.Revision = revs[index++];
                    }
                }
                catch (Exception ex)
                {
                    MessageBox.Show(this, ex.Message, "Ошибка в файле " + _revFile, MessageBoxButton.OK, MessageBoxImage.Error);
                    File.Delete(_revFile);
                }
            }
        }