void OnShowOrderBookHistory(object sender, ItemClickEventArgs e)
        {
            TickerCollection collection = (TickerCollection)this.gridView1.GetFocusedRow();

            if (collection == null)
            {
                return;
            }
            OrderBookVolumeHistoryForm form = new OrderBookVolumeHistoryForm();

            form.Ticker    = collection.Tickers[(int)e.Item.Tag];
            form.MdiParent = MdiParent;
            form.Show();
        }
        private void bbShowOrderBookHistory_ItemClick(object sender, ItemClickEventArgs e)
        {
            TickerCollection info = (TickerCollection)this.bbTryArbitrage.Tag;

            if (info == null)
            {
                return;
            }
            OrderBookVolumeHistoryForm form = new OrderBookVolumeHistoryForm();

            form.MdiParent = MdiParent;
            form.Ticker    = info.Arbitrage.LowestAskTicker;
            form.Text      = info.Arbitrage.LowestAskHost + " " + info.ShortName;
            form.Show();
        }