private void createPdfButton_Click(object sender, EventArgs e) { // Create a PDF document Document pdfDocument = new Document(); // Set license key received after purchase to use the converter in licensed mode // Leave it not set to use the converter in demo mode pdfDocument.LicenseKey = "fvDh8eDx4fHg4P/h8eLg/+Dj/+jo6Og="; // Add a page to PDF document PdfPage pdfPage = pdfDocument.AddPage(); // Add second page to PDF document PdfPage secondPdfPage = pdfDocument.AddPage(); // Add third page to PDF document PdfPage thirdPdfPage = pdfDocument.AddPage(); Cursor = Cursors.WaitCursor; string outPdfFile = @"DemoAppFiles\Output\PDF_Creator\Internal_Links.pdf"; try { // The titles font used to mark various sections of the PDF document PdfFont titleFont = pdfDocument.AddFont(new Font("Times New Roman", 10, FontStyle.Bold, GraphicsUnit.Point)); PdfFont subtitleFont = pdfDocument.AddFont(new Font("Times New Roman", 8, FontStyle.Regular, GraphicsUnit.Point)); // The links text font PdfFont linkTextFont = pdfDocument.AddFont(new Font("Times New Roman", 8, FontStyle.Bold, GraphicsUnit.Point)); linkTextFont.IsUnderline = true; float xLocation = 5; float yLocation = 5; // Add document title TextElement titleTextElement = new TextElement(xLocation, yLocation, "Create Internal Links in PDF Document", titleFont); AddElementResult addElementResult = pdfPage.AddElement(titleTextElement); yLocation = addElementResult.EndPageBounds.Bottom + 15; // Add a text in second page TextElement secondPageTextElement = new TextElement(5, 5, "This text is the target of an internal text link", subtitleFont); secondPdfPage.AddElement(secondPageTextElement); // Add a text in third page TextElement thirdPageTextElement = new TextElement(5, 5, "This text is the target of an internal image link", subtitleFont); thirdPdfPage.AddElement(thirdPageTextElement); // Make a text in PDF an internal link to the second page of the PDF document // Add the text element string text = "Click this text to go to the second page of this document!"; float textWidth = linkTextFont.GetTextWidth(text); TextElement linkTextElement = new TextElement(xLocation, yLocation, text, linkTextFont); linkTextElement.ForeColor = Color.Navy; addElementResult = pdfPage.AddElement(linkTextElement); // Make the text element an internal link to the second page of this document RectangleF linkRectangle = new RectangleF(xLocation, yLocation, textWidth, addElementResult.EndPageBounds.Height); // Create the destination in second page ExplicitDestination secondPageDestination = new ExplicitDestination(secondPdfPage, new PointF(5,5)); // Create the internal link from text element to second page InternalLinkElement internalLink = new InternalLinkElement(linkRectangle, secondPageDestination); // Add the internal link to PDF document pdfPage.AddElement(internalLink); yLocation = addElementResult.EndPageBounds.Bottom + 10; // Make an image in PDF an internal link to the third page of the PDF document TextElement subtitleTextElement = new TextElement(xLocation, yLocation, "Click the image below to go to the third page of this document:", subtitleFont); addElementResult = pdfPage.AddElement(subtitleTextElement); yLocation = addElementResult.EndPageBounds.Bottom + 5; // Add the image element ImageElement linkImageElement = new ImageElement(xLocation, yLocation, 120, @"DemoAppFiles\Input\Images\logo.jpg"); addElementResult = pdfPage.AddElement(linkImageElement); // Make the image element an internal link to the third page of this document linkRectangle = addElementResult.EndPageBounds; // Create the destination in third page ExplicitDestination thirdPageDestination = new ExplicitDestination(thirdPdfPage, new PointF(5, 5)); // Create the internal link from image element to third page internalLink = new InternalLinkElement(linkRectangle, thirdPageDestination); // Add the internal link to PDF document pdfPage.AddElement(internalLink); // Save the PDF document in a memory buffer byte[] outPdfBuffer = pdfDocument.Save(); // Write the memory buffer in a PDF file System.IO.File.WriteAllBytes(outPdfFile, outPdfBuffer); } catch (Exception ex) { // The PDF creation failed MessageBox.Show(String.Format("Create PDF Document Error. {0}", ex.Message)); return; } finally { // Close the PDF document pdfDocument.Close(); Cursor = Cursors.Arrow; } // Open the created PDF document in default PDF viewer try { System.Diagnostics.Process.Start(outPdfFile); } catch (Exception ex) { MessageBox.Show(String.Format("Cannot open created PDF file '{0}'. {1}", outPdfFile, ex.Message)); } }