สร้างแผนภูมิในงานนำเสนอ PPT ด้วย C++

auto presentation = MakeObject<Presentation>();
auto slide = presentation->get_Slide(0);

// Add a chart with default data.
auto chart = slide->get_Shapes()->AddChart(ChartType::ClusteredColumn, 0, 0, 500, 500);

// Set the index of the chart data sheet.
int defaultWorksheetIndex = 0;

// Get the chart data workbook.
auto chartDataWorkbook = chart->get_ChartData()->get_ChartDataWorkbook();

// Set the chart title.
chart->get_ChartTitle()->AddTextFrameForOverriding(u"Sample Title");
chart->get_ChartTitle()->get_TextFrameForOverriding()->get_TextFrameFormat()->set_CenterText(NullableBool::True);
chart->get_ChartTitle()->set_Height(20);
chart->set_HasTitle(true);

// Delete the default generated series and categories.
chart->get_ChartData()->get_Series()->Clear();
chart->get_ChartData()->get_Categories()->Clear();

// Add series.
chart->get_ChartData()->get_Series()->Add(chartDataWorkbook->GetCell(defaultWorksheetIndex, 0, 1, ObjectExt::Box(String(u"Series 1"))), chart->get_Type());
chart->get_ChartData()->get_Series()->Add(chartDataWorkbook->GetCell(defaultWorksheetIndex, 0, 2, ObjectExt::Box(String(u"Series 2"))), chart->get_Type());

// Add categories.
chart->get_ChartData()->get_Categories()->Add(chartDataWorkbook->GetCell(defaultWorksheetIndex, 1, 0, ObjectExt::Box(String(u"Category 1"))));
chart->get_ChartData()->get_Categories()->Add(chartDataWorkbook->GetCell(defaultWorksheetIndex, 2, 0, ObjectExt::Box(String(u"Category 2"))));
chart->get_ChartData()->get_Categories()->Add(chartDataWorkbook->GetCell(defaultWorksheetIndex, 3, 0, ObjectExt::Box(String(u"Category 3"))));

// Take the first chart series.
auto series = chart->get_ChartData()->get_Series()->idx_get(0);

// Populate series data.
series->get_DataPoints()->AddDataPointForBarSeries(chartDataWorkbook->GetCell(defaultWorksheetIndex, 1, 1, ObjectExt::Box(20)));
series->get_DataPoints()->AddDataPointForBarSeries(chartDataWorkbook->GetCell(defaultWorksheetIndex, 2, 1, ObjectExt::Box(50)));
series->get_DataPoints()->AddDataPointForBarSeries(chartDataWorkbook->GetCell(defaultWorksheetIndex, 3, 1, ObjectExt::Box(30)));

// Set the fill color for the series.
series->get_Format()->get_Fill()->set_FillType(FillType::Solid);
series->get_Format()->get_Fill()->get_SolidFillColor()->set_Color(Color::get_Blue());

// Take the second chart series.
series = chart->get_ChartData()->get_Series()->idx_get(1);

// Populate series data.
series->get_DataPoints()->AddDataPointForBarSeries(chartDataWorkbook->GetCell(defaultWorksheetIndex, 1, 2, ObjectExt::Box(30)));
series->get_DataPoints()->AddDataPointForBarSeries(chartDataWorkbook->GetCell(defaultWorksheetIndex, 2, 2, ObjectExt::Box(10)));
series->get_DataPoints()->AddDataPointForBarSeries(chartDataWorkbook->GetCell(defaultWorksheetIndex, 3, 2, ObjectExt::Box(60)));

// Set the fill color for the series.
series->get_Format()->get_Fill()->set_FillType(FillType::Solid);
series->get_Format()->get_Fill()->get_SolidFillColor()->set_Color(Color::get_Orange());

// Show the category name for the first label.
auto dataLabel = series->get_DataPoints()->idx_get(0)->get_Label();
dataLabel->get_DataLabelFormat()->set_ShowCategoryName(true);

dataLabel = series->get_DataPoints()->idx_get(1)->get_Label();
dataLabel->get_DataLabelFormat()->set_ShowSeriesName(true);

// Show the value for the third label.
dataLabel = series->get_DataPoints()->idx_get(2)->get_Label();
dataLabel->get_DataLabelFormat()->set_ShowValue(true);
dataLabel->get_DataLabelFormat()->set_ShowSeriesName(true);
dataLabel->get_DataLabelFormat()->set_Separator(u"/");

// Save the PPT file.
presentation->Save(u"column_chart.ppt", SaveFormat::Ppt);
presentation->Dispose();