private void gridView1_GetThumbnailImage(object sender, DevExpress.XtraGrid.Views.Grid.GridViewThumbnailImageEventArgs e)
{
Ticker t = (Ticker)Exchange.Tickers[e.DataSourceIndex];
e.ThumbnailImage = new Bitmap(CurrencyLogoProvider.GetLogoImage(t.MarketCurrency), new Size(128, 128));
}
