void UpdateTitleBar()
{
ucTitlebar.StockName = DataService.GetSymbolName(Symbol);
if (_quoteData != null && _quoteData.Count > 0)
{
ucTitlebar.Price = _quoteData.Last().Close;
ucTitlebar.Difference = _quoteData[Math.Max(_quoteData.Count - 1, 0)].Close - _quoteData[Math.Max(_quoteData.Count - 2, 0)].Close;
}
}