Convert HTML with Flash to PDF

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=";

    // Enable extensions including the Flash support
    // The converter does not have a built-in Flash player and it uses the installed Flash plugin
    // for Google Chrome or Mozilla Firefox
    htmlToPdfConverter.ExtensionsEnabled = extensionsEnabledCheckBox.Checked;

    // Set an adddional delay in seconds to wait for Flash to run
    // Set this property to 0 if you want to start conversion immediately
    htmlToPdfConverter.ConversionDelay = int.Parse(conversionDelayTextBox.Text);

    // Convert the HTML page with Flash 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=Flash_to_PDF.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();
}

Protected Sub convertToPdfButton_Click(ByVal sender As Object, ByVal e As EventArgs)
    ' Create a HTML to PDF converter object with default settings
    Dim htmlToPdfConverter As 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="

    ' Enable extensions including the Flash support
    ' The converter does not have a built-in Flash player and it uses the installed Flash plugin
    ' for Google Chrome or Mozilla Firefox
    htmlToPdfConverter.ExtensionsEnabled = extensionsEnabledCheckBox.Checked

    ' Set an adddional delay in seconds to wait for Flash to run
    ' Set this property to 0 if you want to start conversion immediately
    htmlToPdfConverter.ConversionDelay = Integer.Parse(conversionDelayTextBox.Text)

    ' Convert the HTML page with Flash to a PDF document in a memory buffer
    Dim outPdfBuffer() As Byte = 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=Flash_to_PDF.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()
End Sub