public StockChartPresenter(IAppStatusService statusService, IMarshalInvokeService marshalInvoke, StockItem stockItem)
            : base(stockItem.Symbol)
        {
            _statusService = statusService;
            _marshalInvoke = marshalInvoke;
            _stockItem = stockItem;

            FetchPriceData (stockItem.Symbol);
        }
 public StockSelectedEventArgs(StockItem item)
 {
     SelectedItem = item;
 }
 protected void RaiseNavigationEvent(StockItem item)
 {
     StockSelected(this, new StockSelectedEventArgs(item));
 }