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

//Source directory path
StringPtr srcDir = new String("..\\Data\\01_SourceDirectory\\");

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

//Path of input excel file
StringPtr sampleWorksheetViews = srcDir->StringAppend(new String("sampleWorksheetViews.xlsx"));

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

//Instantiate a workbook object
intrusive_ptr<IWorkbook> workbook = Factory::CreateIWorkbook(sampleWorksheetViews);

//Accessing a worksheet using its index
intrusive_ptr<IWorksheet> worksheet = workbook->GetIWorksheets()->GetObjectByIndex(0);

// Setting the zoom factor of the worksheet to 75
worksheet->SetZoom(75);

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