Private Sub convertToPdfButton_Click(ByVal sender As Object, ByVal e As EventArgs) Handles convertToPdfButton.Click ' 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 = "fvDh8eDx4fHg4P/h8eLg/+Dj/+jo6Og=" ' Set the PDF file to be inserted before conversion result htmlToPdfConverter.PdfDocumentOptions.AddStartDocument(pdfBeforeTextBox.Text, addHeaderFooterInInsertedPdfCheckBox.Checked, showHeaderInFirstPageCheckBox.Checked, showFooterInFirstPageCheckBox.Checked) ' Set the PDF file to be added after conversion result htmlToPdfConverter.PdfDocumentOptions.AddEndDocument(pdfAfterTextBox.Text, addHeaderFooterInAppendedPdfCheckBox.Checked, True, True) ' Enable header in the generated PDF document htmlToPdfConverter.PdfDocumentOptions.ShowHeader = True ' Draw header elements If htmlToPdfConverter.PdfDocumentOptions.ShowHeader Then DrawHeader(htmlToPdfConverter, True) End If ' Enable footer in the generated PDF document htmlToPdfConverter.PdfDocumentOptions.ShowFooter = True ' Draw footer elements If htmlToPdfConverter.PdfDocumentOptions.ShowFooter Then DrawFooter(htmlToPdfConverter, True, True) End If Cursor = Cursors.WaitCursor Dim outPdfFile As String = "DemoAppFiles\Output\HTML_to_PDF\Header_Footer_in_External_PDF.pdf" Try Dim url As String = urlTextBox.Text ' Convert the HTML page to a PDF document and add the external PDF documents Dim outPdfBuffer() As Byte = htmlToPdfConverter.ConvertUrl(url) ' Write the memory buffer in a PDF file System.IO.File.WriteAllBytes(outPdfFile, outPdfBuffer) Catch ex As Exception ' The HTML to PDF conversion failed MessageBox.Show(String.Format("HTML to PDF Error. {0}", ex.Message)) Return Finally Cursor = Cursors.Arrow End Try ' Open the created PDF document in default PDF viewer Try Process.Start(outPdfFile) Catch ex As Exception MessageBox.Show(String.Format("Cannot open created PDF file '{0}'. {1}", outPdfFile, ex.Message)) End Try End Sub ''' <summary> ''' Draw the header elements ''' </summary> ''' <param name="htmlToPdfConverter">The HTML to PDF Converter object</param> ''' <param name="drawHeaderLine">A flag indicating if a line should be drawn at the bottom of the header</param> Private Sub DrawHeader(ByVal htmlToPdfConverter As HtmlToPdfConverter, ByVal drawHeaderLine As Boolean) Dim headerHtmlUrl As String = System.IO.Path.Combine(Application.StartupPath, "DemoAppFiles\Input\HTML_Files\Header_HTML.html") ' Set the header height in points htmlToPdfConverter.PdfHeaderOptions.HeaderHeight = 60 ' Set header background color htmlToPdfConverter.PdfHeaderOptions.HeaderBackColor = Color.White ' Create a HTML element to be added in header Dim headerHtml As New HtmlToPdfElement(headerHtmlUrl) ' Set the HTML element to fit the container height headerHtml.FitHeight = True ' Add HTML element to header htmlToPdfConverter.PdfHeaderOptions.AddElement(headerHtml) If drawHeaderLine Then ' Calculate the header width based on PDF page size and margins Dim headerWidth As Single = htmlToPdfConverter.PdfDocumentOptions.PdfPageSize.Width - htmlToPdfConverter.PdfDocumentOptions.LeftMargin - htmlToPdfConverter.PdfDocumentOptions.RightMargin ' Calculate header height Dim headerHeight As Single = htmlToPdfConverter.PdfHeaderOptions.HeaderHeight ' Create a line element for the bottom of the header Dim headerLine As New LineElement(0, headerHeight - 1, headerWidth, headerHeight - 1) ' Set line color headerLine.ForeColor = Color.Gray ' Add line element to the bottom of the header htmlToPdfConverter.PdfHeaderOptions.AddElement(headerLine) End If End Sub ''' <summary> ''' Draw the footer elements ''' </summary> ''' <param name="htmlToPdfConverter">The HTML to PDF Converter object</param> ''' <param name="addPageNumbers">A flag indicating if the page numbering is present in footer</param> ''' <param name="drawFooterLine">A flag indicating if a line should be drawn at the top of the footer</param> Private Sub DrawFooter(ByVal htmlToPdfConverter As HtmlToPdfConverter, ByVal addPageNumbers As Boolean, ByVal drawFooterLine As Boolean) Dim footerHtmlUrl As String = System.IO.Path.Combine(Application.StartupPath, "DemoAppFiles\Input\HTML_Files\Footer_HTML.html") ' Set the footer height in points htmlToPdfConverter.PdfFooterOptions.FooterHeight = 60 ' Set footer background color htmlToPdfConverter.PdfFooterOptions.FooterBackColor = Color.WhiteSmoke ' Create a HTML element to be added in footer Dim footerHtml As New HtmlToPdfElement(footerHtmlUrl) ' Set the HTML element to fit the container height footerHtml.FitHeight = True ' Add HTML element to footer htmlToPdfConverter.PdfFooterOptions.AddElement(footerHtml) ' Add page numbering If addPageNumbers Then ' Create a text element with page numbering place holders &p; and & P; Dim footerText As New TextElement(0, 30, "Page &p; of &P; ", New Font(New FontFamily("Times New Roman"), 10, GraphicsUnit.Point)) ' Align the text at the right of the footer footerText.TextAlign = HorizontalTextAlign.Right ' Set page numbering text color footerText.ForeColor = Color.Navy ' Embed the text element font in PDF footerText.EmbedSysFont = True ' Add the text element to footer htmlToPdfConverter.PdfFooterOptions.AddElement(footerText) End If If drawFooterLine Then ' Calculate the footer width based on PDF page size and margins Dim footerWidth As Single = htmlToPdfConverter.PdfDocumentOptions.PdfPageSize.Width - htmlToPdfConverter.PdfDocumentOptions.LeftMargin - htmlToPdfConverter.PdfDocumentOptions.RightMargin ' Create a line element for the top of the footer Dim footerLine As New LineElement(0, 0, footerWidth, 0) ' Set line color footerLine.ForeColor = Color.Gray ' Add line element to the bottom of the footer htmlToPdfConverter.PdfFooterOptions.AddElement(footerLine) End If End Sub