// For complete examples and data files, please go to https://github.com/aspose-cells/Aspose.Cells-for-C

// Output directory path
StringPtr outDir = new String("..\\Data\\02_OutputDirectory\\");

// Path of output excel file
StringPtr outputChartTypeCustom = outDir->StringAppend(new String("outputChartTypeCustom.xlsx"));

// Create a new workbook
intrusive_ptr<IWorkbook> workbook = Factory::CreateIWorkbook();

// Get first worksheet which is created by default
intrusive_ptr<IWorksheet> worksheet = workbook->GetIWorksheets()->GetObjectByIndex(0);

// Adding sample values to cells
worksheet->GetICells()->GetObjectByIndex(new String("A1"))->PutValue(50);
worksheet->GetICells()->GetObjectByIndex(new String("A2"))->PutValue(100);
worksheet->GetICells()->GetObjectByIndex(new String("A3"))->PutValue(150);
worksheet->GetICells()->GetObjectByIndex(new String("A4"))->PutValue(110);
worksheet->GetICells()->GetObjectByIndex(new String("B1"))->PutValue(260);
worksheet->GetICells()->GetObjectByIndex(new String("B2"))->PutValue(12);
worksheet->GetICells()->GetObjectByIndex(new String("B3"))->PutValue(50);
worksheet->GetICells()->GetObjectByIndex(new String("B4"))->PutValue(100);

// Adding a chart to the worksheet
int chartIndex = worksheet->GetICharts()->Add(Aspose::Cells::Charts::ChartType::ChartType_Column, 5, 0, 20, 8);

// Accessing the instance of the newly added chart
intrusive_ptr<Aspose::Cells::Charts::IChart> chart = worksheet->GetICharts()->GetObjectByIndex(chartIndex);

// Adding SeriesCollection (chart data source) to the chart ranging from A1 to B4
chart->GetNISeries()->Add(new String("A1:B4"), true);

// Setting the chart type of 2nd NSeries to display as line chart
chart->GetNISeries()->GetObjectByIndex(1)->SetType(Aspose::Cells::Charts::ChartType::ChartType_Line);

// Saving the Excel file
workbook->Save(outputChartTypeCustom);