Lavorare con i grafici tramite l'oggetto Shape.Chart
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Una volta che il grafico è stato inserito e riempito con i dati, è possibile modificarne l’aspetto. La proprietà Shape.Chart contiene tutte le opzioni relative al grafico disponibili tramite l’API pubblica.
Ad esempio, cambiamo il titolo del grafico o il comportamento della legenda:
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| For complete examples and data files, please go to https://github.com/aspose-words/Aspose.Words-for-C | |
| // The path to the documents directory. | |
| System::String outputDataDir = GetOutputDataDir_WorkingWithCharts(); | |
| System::SharedPtr<Document> doc = System::MakeObject<Document>(); | |
| System::SharedPtr<DocumentBuilder> builder = System::MakeObject<DocumentBuilder>(doc); | |
| System::SharedPtr<Shape> shape = builder->InsertChart(ChartType::Line, 432, 252); | |
| System::SharedPtr<Chart> chart = shape->get_Chart(); | |
| // Determines whether the title shall be shown for this chart. Default is true. | |
| chart->get_Title()->set_Show(true); | |
| // Setting chart Title. | |
| chart->get_Title()->set_Text(u"Sample Line Chart Title"); | |
| // Determines whether other chart elements shall be allowed to overlap title. | |
| chart->get_Title()->set_Overlay(false); | |
| // Please note if null or empty value is specified as title text, auto generated title will be shown. | |
| // Determines how legend shall be shown for this chart. | |
| chart->get_Legend()->set_Position(LegendPosition::Left); | |
| chart->get_Legend()->set_Overlay(true); | |
| System::String outputPath = outputDataDir + u"CreateChartUsingShape.docx"; | |
| doc->Save(outputPath); |
Il codice genera i seguenti risultati:
