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 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 Cursor = Cursors.WaitCursor ' Convert HTML to PDF using the settings above Dim outPdfFile As String = "DemoAppFiles\Output\HTML_to_PDF\Go_To_Page_Open_Action.pdf" Dim pdfDocument As Document = Nothing Try ' Convert a HTML page to a PDF document object pdfDocument = htmlToPdfConverter.ConvertUrlToPdfDocumentObject(urlTextBox.Text) Dim goToPageNumber As Integer = Integer.Parse(pageNumberTextBox.Text) If goToPageNumber > pdfDocument.Pages.Count Then MessageBox.Show("The page number is too big") Return End If ' Get destination PDF page Dim goToPage As PdfPage = pdfDocument.Pages(goToPageNumber - 1) ' Get the destination point in PDF page Dim goToX As Single = Single.Parse(xLocationTextBox.Text) Dim goToY As Single = Single.Parse(yLocationTextBox.Text) Dim goToLocation As New PointF(goToX, goToY) ' Get the destination view mode Dim viewMode As DestinationViewMode = SelectedViewMode() ' Create the destination in PDF document Dim goToDestination As New ExplicitDestination(goToPage, goToLocation, viewMode) ' Set the zoom level when the destination is displayed If viewMode = DestinationViewMode.XYZ Then goToDestination.ZoomPercentage = Integer.Parse(zoomLevelTextBox.Text) End If ' Set the document Go To open action pdfDocument.OpenAction.Action = New PdfActionGoTo(goToDestination) ' Save the PDF document in a memory buffer Dim outPdfBuffer() As Byte = pdfDocument.Save() ' 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 ' Close the PDF document If pdfDocument IsNot Nothing Then pdfDocument.Close() End If 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