/// <summary>
/// Sets the style color for a chart style
/// </summary>
/// <param name="isAuto">Is automatic</param>
/// <param name="index">Is index, maps to the style matrix in the theme</param>
public void SetStyleColor(bool isAuto = true, int index = 0)
{
ColorType = eDrawingColorType.ChartStyleColor;
ResetColors(NodeName);
StyleColor = new ExcelChartStyleColor(_nameSpaceManager, _colorNode);
StyleColor.SetValue(isAuto, index);
}
