private static void BuildStrLit <T>(CT_StrData ctStrData, IChartDataSource <T> dataSource)
{
XSSFChartUtil.FillStringCache <T>(ctStrData, dataSource);
}
private static void BuildStrRef <T>(CT_StrRef ctStrRef, IChartDataSource <T> dataSource)
{
ctStrRef.f = dataSource.FormulaString;
XSSFChartUtil.FillStringCache <T>(ctStrRef.AddNewStrCache(), dataSource);
}