public IntroductionViewModel(IRegionManager regionManager, IEventAggregator eventAggregator)
        {
            this.regionManager     = regionManager;
            this.module_Aggregator = eventAggregator;
            this.send_Aggregator   = eventAggregator;

            moduleMsgOrder = new ModuleMsgOrder();

            _gameModel = GameModel.CreateNewModel();
            _listModel = ListModel.CreateNewModel();
            downView   = new DownView(new DownViewModel(), eventAggregator);

            RequestEvent();
        }