get_Worksheets()

virtual System::SharedPtr<IChartDataWorksheetCollection> Aspose::Slides::Charts::IChartDataWorkbook::get_Worksheets()=0

auto pres = System::MakeObject<Presentation>();

auto chart = pres->get_Slides()->idx_get(0)->get_Shapes()->AddChart(ChartType::Pie, 50.0f, 50.0f, 400.0f, 500.0f);
auto workbook = chart->get_ChartData()->get_ChartDataWorkbook();
for (const auto& worksheet : workbook->get_Worksheets())
{
    System::String worksheetName = worksheet->get_Name();
}