Werken met Chart Data Label

Aspose.Words stelt gebruikers in staat om op verschillende manieren met ChartDataLabel te werken.

Hoe het aantal Grafiekgegevensetiketten te formatteren

Met behulp van NumberFormat kunt u de nummeropmaak van een enkel gegevenslabel van de grafiek opgeven.

Het volgende codevoorbeeld laat zien hoe een aantal van het gegevenslabel moet worden geformatteerd:

For complete examples and data files, please go to https://github.com/aspose-words/Aspose.Words-for-C
System::SharedPtr<Document> doc = System::MakeObject<Document>();
System::SharedPtr<DocumentBuilder> builder = System::MakeObject<DocumentBuilder>(doc);
// Add chart with default data.
System::SharedPtr<Shape> shape = builder->InsertChart(ChartType::Line, 432, 252);
System::SharedPtr<Chart> chart = shape->get_Chart();
chart->get_Title()->set_Text(u"Data Labels With Different Number Format");
// Delete default generated series.
chart->get_Series()->Clear();
// Add new series
System::SharedPtr<ChartSeries> series1 = chart->get_Series()->Add(u"AW Series 1", System::MakeArray<System::String>({u"AW0", u"AW1", u"AW2"}), System::MakeArray<double>({2.5, 1.5, 3.5}));
series1->set_HasDataLabels(true);
series1->get_DataLabels()->set_ShowValue(true);
series1->get_DataLabels()->idx_get(0)->get_NumberFormat()->set_FormatCode(u"\"$\"#,##0.00");
series1->get_DataLabels()->idx_get(1)->get_NumberFormat()->set_FormatCode(u"dd/mm/yyyy");
series1->get_DataLabels()->idx_get(2)->get_NumberFormat()->set_FormatCode(u"0.00%");
// Or you can set format code to be linked to a source cell,
// in this case NumberFormat will be reset to general and inherited from a source cell.
series1->get_DataLabels()->idx_get(2)->get_NumberFormat()->set_IsLinkedToSource(true);
System::String outputPath = outputDataDir + u"ChartNumberFormat.docx";
doc->Save(outputPath);

Hoe te werken met Chart Data Label

Met behulp van ChartDataLabel kunt u de opmaak van een enkel gegevenslabel van de grafiekreeks opgeven, zoals tonen / verbergen LegendKey, CategoryName, SeriesName, waarde enz.:

For complete examples and data files, please go to https://github.com/aspose-words/Aspose.Words-for-C
System::SharedPtr<Document> doc = System::MakeObject<Document>();
System::SharedPtr<DocumentBuilder> builder = System::MakeObject<DocumentBuilder>(doc);
System::SharedPtr<Shape> shape = builder->InsertChart(ChartType::Bar, 432, 252);
System::SharedPtr<Chart> chart = shape->get_Chart();
// Get first series.
System::SharedPtr<ChartSeries> series0 = shape->get_Chart()->get_Series()->idx_get(0);
System::SharedPtr<ChartDataLabelCollection> labels = series0->get_DataLabels();
// Set properties.
labels->set_ShowLegendKey(true);
// By default, when you add data labels to the data points in a pie chart, leader lines are displayed for data labels that are
// Positioned far outside the end of data points. Leader lines create a visual connection between a data label and its
// Corresponding data point.
labels->set_ShowLeaderLines(true);
labels->set_ShowCategoryName(false);
labels->set_ShowPercentage(false);
labels->set_ShowSeriesName(true);
labels->set_ShowValue(true);
labels->set_Separator(u"/");
labels->set_ShowValue(true);
System::String outputPath = outputDataDir + u"SimpleBarChart_out.docx";
doc->Save(outputPath);

Zie het resultaat hieronder:

work-with-chart-data-lable-aspose-words-cpp-1