EVO HTML to PDF Converter

Auto Create Hierarchical Bookmarks

EVO HTML to PDF Converter for .NET Documentation

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
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protected void convertToPdfButton_Click(object sender, EventArgs e)
{
    // Create a HTML to PDF converter object with default settings
    HtmlToPdfConverter htmlToPdfConverter = new HtmlToPdfConverter();

    // 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);

    // Send the PDF as response to browser

    // Set response content type
    Response.AddHeader("Content-Type", "application/pdf");

    // Instruct the browser to open the PDF file as an attachment or inline
    Response.AddHeader("Content-Disposition", String.Format("attachment; filename=Auto_Create_Hierarchical_Bookmarks.pdf; size={0}", outPdfBuffer.Length.ToString()));

    // Write the PDF document buffer to HTTP response
    Response.BinaryWrite(outPdfBuffer);

    // End the HTTP response and stop the current page processing
    Response.End();
}