Get, create or edit bookmarks (outlines) in C# and VB.NET

using System;
using SautinSoft.Pdf;
using System.IO;

class Program
{
	static void Main()
	{
		// This property is necessary only for licensed version.
		//SautinSoft.Pdf.Serial = "XXXXXXXXXXX";
		using (var document = new PdfDocument())
		{
			// Remove all bookmarks.
			document.Outlines.Clear();
			// Get the number of pages.
			int numberOfPages = document.Pages.Count;
			for (int i = 0; i < numberOfPages; i += 10)
			{
				// Add a new outline item (bookmark) at the end of the document outline collection.
				var bookmark = document.Outlines.AddLast(string.Format("PAGES {0}-{1}", i + 1, Math.Min(i + 10, numberOfPages)));
				// Set the explicit destination on the new outline item (bookmark).
				bookmark.SetDestination(document.Pages[i], PdfDestinationViewType.FitRectangle, 0, 0, 100, 100);
				for (int j = 0; j < Math.Min(10, numberOfPages - i); j++)
				// Add a new outline item (bookmark) at the end of parent outline item (bookmark) and set the explicit destination.
				bookmark.Outlines.AddLast(string.Format("PAGE {0}", i + j + 1)).SetDestination(document.Pages[i + j], PdfDestinationViewType.FitPage);
			}
			document.PageMode = PdfPageMode.UseOutlines;
			document.Save("hamlet_PDF_FolgerShakespeares.pdf");
		}
	}
}