EVO HTML to PDF Converter can be configured to automatically create a hierarchy of bookmarks in PDF document based on H1 to H6 head tags found in HTML document by simply turning on the PdfBookmarkOptionsAutoBookmarksEnabled option. An object of PdfBookmarkOptions type is exposed by the HtmlToPdfConverterPdfBookmarkOptions property.
Code Sample - Auto Create Hierarchical Bookmarks
protected void convertToPdf() { // Get the server IP and port String serverIP = textBoxServerIP.Text; uint serverPort = uint.Parse(textBoxServerPort.Text); // Create a HTML to PDF converter object HtmlToPdfConverter htmlToPdfConverter = null; if (radioButtonUseTcpService.Checked) htmlToPdfConverter = new HtmlToPdfConverter(serverIP, serverPort); else htmlToPdfConverter = new HtmlToPdfConverter(true, textBoxWebServiceUrl.Text); // Set optional service password if (textBoxServicePassword.Text.Length > 0) htmlToPdfConverter.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 htmlToPdfConverter.LicenseKey = "4W9+bn19bn5ue2B+bn1/YH98YHd3d3c="; // Set an adddional delay in seconds to wait for JavaScript or AJAX calls after page load completed // Set this property to 0 if you don't need to wait for such asynchcronous operations to finish htmlToPdfConverter.ConversionDelay = 2; // Auto Create a hierarchy of bookmarks from H1 to H6 tags found in HTML if (autoBookmarksCheckBox.Checked) { // Enable the creation of a hierarchy of bookmarks from H1 to H6 tags htmlToPdfConverter.PdfBookmarkOptions.AutoBookmarksEnabled = true; // Display the bookmarks panel in PDF viewer when the generated PDF is opened htmlToPdfConverter.PdfViewerPreferences.PageMode = ViewerPageMode.UseOutlines; } // Convert the HTML page to a PDF document in a memory buffer byte[] outPdfBuffer = htmlToPdfConverter.ConvertUrl(urlTextBox.Text); }