// This code example demonstrates how to convert a range of pages of a OneNote to PDF.
// Load the document into Aspose.Note.
Document oneFile = new Document("Sample1.one");

// Initialize PdfSaveOptions object
PdfSaveOptions options = new PdfSaveOptions();

// Set page index: 0 means to start saving from first page.
options.PageIndex = 0;

// Set page count: 1 means to save only one page.
options.PageCount = 1;

// Save OneNote to PDF
oneFile.Save("Sample1_out.pdf", options);