Add Bookmarks to a PDF Document

protected void createPdf()
{
    // Get the server IP and port
    String serverIP = textBoxServerIP.Text;
    uint serverPort = uint.Parse(textBoxServerPort.Text);

    // Create a PDF document
    Document pdfDocument = null;
    if (radioButtonUseTcpService.Checked)
        pdfDocument = new Document(serverIP, serverPort);
    else
        pdfDocument = new Document(true, textBoxWebServiceUrl.Text);

    // Set optional service password
    if (textBoxServicePassword.Text.Length > 0)
        pdfDocument.ServicePassword = textBoxServicePassword.Text;

    // Set license key received after purchase to use the converter in licensed mode
    // Leave it not set to use the converter in demo mode
    pdfDocument.LicenseKey = "4W9+bn19bn5ue2B+bn1/YH98YHd3d3c=";

    // Display the bookmarks panel when the PDF document is opened in a PDF viewer
    pdfDocument.ViewerPreferences.PageMode = ViewerPageMode.UseOutlines;

    // The titles font used to mark various sections of the PDF document
    PdfFont titleFont = new PdfFont("Times New Roman", 12, true);

    // Add a new PDF page to PDF document
    PdfPage page1 = pdfDocument.AddPage();
    TextElement pageText = new TextElement(0, 0, "Page 1. Destination of a Top Bookmark with Fit Width View Mode.", titleFont);
    page1.AddElement(pageText);

    // Add a new PDF page to PDF document
    PdfPage page2 = pdfDocument.AddPage();
    pageText = new TextElement(0, 0, "Page 2. Destination of a Top Bookmark with Custom Zoom Level.", titleFont);
    page2.AddElement(pageText);

    // Add a new PDF page to PDF document
    PdfPage page3 = pdfDocument.AddPage();
    pageText = new TextElement(0, 0, "Page 3. Destination of a Child Bookmark with Fit Width and Height View Mode.", titleFont);
    page3.AddElement(pageText);

    // Add a new PDF page to PDF document
    PdfPage page4 = pdfDocument.AddPage();
    pageText = new TextElement(0, page4.PageSize.Height / 2 - 20, "Page 4. Destination of a Top Bookmark for the Middle of the Page.", titleFont);
    page4.AddElement(pageText);

    // Add a new PDF page to PDF document
    PdfPage page5 = pdfDocument.AddPage();
    pageText = new TextElement(0, 0, "Page 5. Destination of a Child Bookmark with Colored Title.", titleFont);
    page5.AddElement(pageText);

    // Add a new PDF page to PDF document
    PdfPage page6 = pdfDocument.AddPage();
    pageText = new TextElement(0, 0, "Page 6. Destination of a Child Bookmark with Italic Style Title.", titleFont);
    page6.AddElement(pageText);

    // Add a top level bookmark for first page setting destination view mode to fit viewer window horizontally
    ExplicitDestination page1Destination = new ExplicitDestination(page1, new PointFloat(0, 0), DestinationViewMode.FitH);
    Bookmark page1TopBookmark = new Bookmark("Top Bookmark with Fit Width View Mode", page1Destination);
    pdfDocument.AddBookmark(page1TopBookmark);
    page1TopBookmark.Style = PdfBookmarkStyle.Bold;

    // Add a top level bookmark for second page setting the zoom level to 125%
    ExplicitDestination page2Destination = new ExplicitDestination(page2, new PointFloat(0, 0), DestinationViewMode.XYZ);
    page2Destination.ZoomPercentage = 125;
    Bookmark page2TopBookmark = new Bookmark("Top Bookmark with Custom Zoom Level", page2Destination);
    pdfDocument.AddBookmark(page2TopBookmark);
    page2TopBookmark.Style = PdfBookmarkStyle.Normal;

    // Add a child bookmark for third page setting destination view mode to fit viewer window horizontally and vertically
    ExplicitDestination page3Destination = new ExplicitDestination(page3, new PointFloat(0, 0), DestinationViewMode.Fit);
    Bookmark page3ChildBookmark = new Bookmark("Child Bookmark with Fit Width and Height View Mode", page3Destination);
    pdfDocument.AddBookmark(page3ChildBookmark, page2TopBookmark);

    // Add a top level bookmark for fourth page with destination point in the middle of the PDF page 
    ExplicitDestination page4Destination = new ExplicitDestination(page4, new PointFloat(0, page4.PageSize.Height / 2 - 20));
    Bookmark page4TopBookmark = new Bookmark("Top Bookmark for the Middle of the Page", page4Destination);
    page4TopBookmark.Style = PdfBookmarkStyle.Bold;
    page4TopBookmark.Color = RgbColor.Blue;
    pdfDocument.AddBookmark(page4TopBookmark);

    // Add a child bookmark with colored text
    ExplicitDestination page5Destination = new ExplicitDestination(page5, new PointFloat(0, 0));
    Bookmark page5ChildBookmark = new Bookmark("Child Bookmark with Colored Title", page5Destination);
    page5ChildBookmark.Color = RgbColor.Red;
    pdfDocument.AddBookmark(page5ChildBookmark, page4TopBookmark);

    // Add a child bookmark with italic style text
    ExplicitDestination page6Destination = new ExplicitDestination(page6, new PointFloat(0, 0));
    Bookmark page6ChildBookmark = new Bookmark("Child Bookmark with Italic Colored Title", page6Destination);
    page6ChildBookmark.Style = PdfBookmarkStyle.Bold | PdfBookmarkStyle.Italic;
    page6ChildBookmark.Color = RgbColor.Green;
    pdfDocument.AddBookmark(page6ChildBookmark, page4TopBookmark);

    // Save the PDF document in a memory buffer
    byte[] outPdfBuffer = pdfDocument.Save();
}