public ManualStrategySettingVM(IEventAggregator eventAggregator) : base()
        {
            _stopPriceTypeItemsSource = new RefDatItemsSource <PTEntity.StopPriceType, string>();
            _stopPriceTypeItemsSource.Add(new RefDataItem <PTEntity.StopPriceType, string>
            {
                Value       = PTEntity.StopPriceType.LOSS_STOP,
                DisplayText = "一般止损"
            });
            _stopPriceTypeItemsSource.Add(new RefDataItem <PTEntity.StopPriceType, string>
            {
                Value       = PTEntity.StopPriceType.TRAILING_STOP,
                DisplayText = "追踪止损"
            });

            eventAggregator.GetEvent <ManualOpenDirectionChangeEvent>().Subscribe(OnManualOpenDirectionChange);
        }