/// <summary>
        /// Calculates the series info.
        /// </summary>
        /// <returns></returns>
        internal Point CalculateSeriesInfo()
        {
            double width        = 1 - SparrowChart.GetSeriesMarginPercentage(this);
            double mininumWidth = double.MaxValue;
            int    position     = Chart.HiLoOpenCloseSeries.IndexOf(this) + 1;
            int    count        = Chart.HiLoOpenCloseSeries.Count;

            foreach (SeriesBase series in Chart.Series)
            {
                List <double> values = series.XValues as List <double>;
                if (values != null)
                {
                    for (int i = 1; i < values.Count; i++)
                    {
                        double delta = values[i] - values[i - 1];
                        if (delta != 0)
                        {
                            mininumWidth = Math.Min(mininumWidth, delta);
                        }
                    }
                }
            }
            mininumWidth = ((mininumWidth == double.MaxValue || mininumWidth >= 1 || mininumWidth < 0) ? 1 : mininumWidth);
            double per   = mininumWidth * width / count;
            double start = per * (position - 1) - mininumWidth * width / 2;
            double end   = start + per;

            return(new Point(start, end));
            //}
        }