internal ExcelChartStyleEntry GetDataPointStyle()
        {
            ExcelChartStyleEntry dataPoint;

            if (_chart.IsType3D())
            {
                dataPoint = Style.DataPoint3D;
            }
            else if (_chart.IsTypeLine() ||
                     (_chart.IsTypeScatter() && _chart.ChartType != eChartType.XYScatter) ||
                     (_chart.IsTypeRadar() && _chart.ChartType != eChartType.RadarFilled))
            {
                dataPoint = Style.DataPointLine;
            }
            else
            {
                dataPoint = Style.DataPoint;
                if (_chart.ChartType == eChartType.XYScatter)
                {
                    dataPoint.Border.Fill.Style = eFillStyle.NoFill;
                }
            }

            return(dataPoint);
        }