    using System;
    using System.Collections.Generic;
    using System.Web;
    using System.Web.UI;
    using System.Web.UI.WebControls;

    using System.Drawing;

    // Use EVO PDF Namespace
    using EvoPdfClient;

    namespace EvoHtmlToPdfDemo.HTML_to_PDF.Text_Notes
    {
        public partial class Create_Text_Notes : System.Web.UI.Page
        {
            protected void convertToPdfButton_Click(object sender, EventArgs e)
            {
                // Get the server IP and port
                String serverIP = textBoxServerIP.Text;
                uint serverPort = uint.Parse(textBoxServerPort.Text);

                // Create a HTML to PDF converter object
                HtmlToPdfConverter htmlToPdfConverter = null;
                if (radioButtonUseTcpService.Checked)
                    htmlToPdfConverter = new HtmlToPdfConverter(serverIP, serverPort);
                else
                    htmlToPdfConverter = new HtmlToPdfConverter(true, textBoxWebServiceUrl.Text);

                // Set optional service password
                if (textBoxServicePassword.Text.Length > 0)
                    htmlToPdfConverter.ServicePassword = textBoxServicePassword.Text;

                // 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;

                string htmlWithLinksAndAttachMarkers = htmlStringTextBox.Text;
                string baseUrl = baseUrlTextBox.Text;

                // Convert a HTML string with markers for file links and attachments to a PDF document object
                Document pdfDocument = htmlToPdfConverter.ConvertHtmlToPdfDocumentObject(htmlWithLinksAndAttachMarkers, baseUrl);

                // Make the HTML element with 'text_note' mapping ID a text note
                HtmlElementMapping textNoteMapping = htmlToPdfConverter.HtmlElementsMappingOptions.HtmlElementsMappingResult.GetElementByMappingId("text_note");
                if (textNoteMapping != null)
                {
                    PdfPage textNotePage = pdfDocument.GetPage(textNoteMapping.PdfRectangles[0].PageIndex);
                    RectangleFloat textNoteRectangle = textNoteMapping.PdfRectangles[0].Rectangle;

                    // Create the text note
                    TextNoteElement textNoteElement = new TextNoteElement(textNoteRectangle, "This is an initially closed text note");
                    textNoteElement.NoteIcon = TextNoteIcon.Note;
                    textNoteElement.Open = false;
                    textNotePage.AddElement(textNoteElement);
                }

                // Make the HTML element with 'text_note_opened' mapping ID an initially opened text note
                HtmlElementMapping textNoteOpenedMapping = htmlToPdfConverter.HtmlElementsMappingOptions.HtmlElementsMappingResult.GetElementByMappingId("text_note_opened");
                if (textNoteOpenedMapping != null)
                {
                    PdfPage textNoteOpenedPage = pdfDocument.GetPage(textNoteMapping.PdfRectangles[0].PageIndex);
                    RectangleFloat textNoteOpenedRectangle = textNoteOpenedMapping.PdfRectangles[0].Rectangle;

                    // Create the text note
                    TextNoteElement textNoteOpenedElement = new TextNoteElement(textNoteOpenedRectangle, "This is an initially opened text note");
                    textNoteOpenedElement.NoteIcon = TextNoteIcon.Note;
                    textNoteOpenedElement.Open = true;
                    textNoteOpenedPage.AddElement(textNoteOpenedElement);
                }

                // Make the HTML element with 'help_note' mapping ID a help note
                HtmlElementMapping helpNoteMapping = htmlToPdfConverter.HtmlElementsMappingOptions.HtmlElementsMappingResult.GetElementByMappingId("help_note");
                if (helpNoteMapping != null)
                {
                    PdfPage helpNotePage = pdfDocument.GetPage(textNoteMapping.PdfRectangles[0].PageIndex);
                    RectangleFloat helpNoteRectangle = helpNoteMapping.PdfRectangles[0].Rectangle;

                    // Create the text note
                    TextNoteElement helpNoteElement = new TextNoteElement(helpNoteRectangle, "This is an initially closed help note");
                    helpNoteElement.NoteIcon = TextNoteIcon.Help;
                    helpNoteElement.Open = false;
                    helpNotePage.AddElement(helpNoteElement);
                }

                // Make the HTML element with 'help_note_opened' mapping ID an initially opened help note
                HtmlElementMapping helpNoteOpenedMapping = htmlToPdfConverter.HtmlElementsMappingOptions.HtmlElementsMappingResult.GetElementByMappingId("help_note_opened");
                if (helpNoteOpenedMapping != null)
                {
                    PdfPage helpNoteOpenedPage = pdfDocument.GetPage(textNoteMapping.PdfRectangles[0].PageIndex);
                    RectangleFloat helpNoteOpenedRectangle = helpNoteOpenedMapping.PdfRectangles[0].Rectangle;

                    // Create the text note
                    TextNoteElement helpNoteOpenedElement = new TextNoteElement(helpNoteOpenedRectangle, "This is an initially opened help note");
                    helpNoteOpenedElement.NoteIcon = TextNoteIcon.Help;
                    helpNoteOpenedElement.Open = true;
                    helpNoteOpenedPage.AddElement(helpNoteOpenedElement);
                }

                // Make the HTML element with 'comment_note' mapping ID a comment note
                HtmlElementMapping commentNoteMapping = htmlToPdfConverter.HtmlElementsMappingOptions.HtmlElementsMappingResult.GetElementByMappingId("comment_note");
                if (commentNoteMapping != null)
                {
                    PdfPage commentNotePage = pdfDocument.GetPage(textNoteMapping.PdfRectangles[0].PageIndex);
                    RectangleFloat commentNoteRectangle = commentNoteMapping.PdfRectangles[0].Rectangle;

                    // Create the text note
                    TextNoteElement commentNoteElement = new TextNoteElement(commentNoteRectangle, "This is an initially closed comment note");
                    commentNoteElement.NoteIcon = TextNoteIcon.Comment;
                    commentNoteElement.Open = false;
                    commentNotePage.AddElement(commentNoteElement);
                }

                // Make the HTML element with 'comment_note_opened' mapping ID an initially opened comment note
                HtmlElementMapping commentNoteOpenedMapping = htmlToPdfConverter.HtmlElementsMappingOptions.HtmlElementsMappingResult.GetElementByMappingId("comment_note_opened");
                if (commentNoteOpenedMapping != null)
                {
                    PdfPage commentNoteOpenedPage = pdfDocument.GetPage(textNoteMapping.PdfRectangles[0].PageIndex);
                    RectangleFloat commentNoteOpenedRectangle = commentNoteOpenedMapping.PdfRectangles[0].Rectangle;

                    // Create the text note
                    TextNoteElement commentNoteOpenedElement = new TextNoteElement(commentNoteOpenedRectangle, "This is an initially opened comment note");
                    commentNoteOpenedElement.NoteIcon = TextNoteIcon.Comment;
                    commentNoteOpenedElement.Open = true;
                    commentNoteOpenedPage.AddElement(commentNoteOpenedElement);
                }

                // Make the HTML element with 'paragraph_note' mapping ID a paragraph note
                HtmlElementMapping paragraphNoteMapping = htmlToPdfConverter.HtmlElementsMappingOptions.HtmlElementsMappingResult.GetElementByMappingId("paragraph_note");
                if (paragraphNoteMapping != null)
                {
                    PdfPage paragraphNotePage = pdfDocument.GetPage(textNoteMapping.PdfRectangles[0].PageIndex);
                    RectangleFloat paragraphNoteRectangle = paragraphNoteMapping.PdfRectangles[0].Rectangle;

                    // Create the text note
                    TextNoteElement paragraphNoteElement = new TextNoteElement(paragraphNoteRectangle, "This is an initially closed paragraph note");
                    paragraphNoteElement.NoteIcon = TextNoteIcon.Paragraph;
                    paragraphNoteElement.Open = false;
                    paragraphNotePage.AddElement(paragraphNoteElement);
                }

                // Make the HTML element with 'new_paragraph_note' mapping ID a new paragraph note
                HtmlElementMapping newParagraphNoteMapping = htmlToPdfConverter.HtmlElementsMappingOptions.HtmlElementsMappingResult.GetElementByMappingId("new_paragraph_note");
                if (newParagraphNoteMapping != null)
                {
                    PdfPage newParagraphNotePage = pdfDocument.GetPage(textNoteMapping.PdfRectangles[0].PageIndex);
                    RectangleFloat newParagraphNoteRectangle = newParagraphNoteMapping.PdfRectangles[0].Rectangle;

                    // Create the text note
                    TextNoteElement newParagraphNoteElement = new TextNoteElement(newParagraphNoteRectangle, "This is an initially closed new paragraph note");
                    newParagraphNoteElement.NoteIcon = TextNoteIcon.NewParagraph;
                    newParagraphNoteElement.Open = false;
                    newParagraphNotePage.AddElement(newParagraphNoteElement);
                }

                // Make the HTML element with 'key_note' mapping ID a key note
                HtmlElementMapping keyNoteMapping = htmlToPdfConverter.HtmlElementsMappingOptions.HtmlElementsMappingResult.GetElementByMappingId("key_note");
                if (keyNoteMapping != null)
                {
                    PdfPage keyNotePage = pdfDocument.GetPage(textNoteMapping.PdfRectangles[0].PageIndex);
                    RectangleFloat keyNoteRectangle = keyNoteMapping.PdfRectangles[0].Rectangle;

                    // Create the text note
                    TextNoteElement keyNoteElement = new TextNoteElement(keyNoteRectangle, "This is an initially closed key note");
                    keyNoteElement.NoteIcon = TextNoteIcon.Key;
                    keyNoteElement.Open = false;
                    keyNotePage.AddElement(keyNoteElement);
                }

                // Save the PDF document in a memory buffer
                byte[] outPdfBuffer = pdfDocument.Save();

                // 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=Text_Notes.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 void Page_Load(object sender, EventArgs e)
            {
                if (!IsPostBack)
                {
                    string currentPageUrl = HttpContext.Current.Request.Url.AbsoluteUri;
                    string rootUrl = "http://www.evopdf.com/demo/";

                    htmlStringTextBox.Text = System.IO.File.ReadAllText(Server.MapPath("~/DemoAppFiles/Input/HTML_Files/Text_Notes.html"));
                    baseUrlTextBox.Text = rootUrl + "DemoAppFiles/Input/HTML_Files/";

                    sampleCodeLiteral.Text = System.IO.File.ReadAllText(Server.MapPath("~/DemoAppFiles/Input/Code_Samples/CSharp/AspNet/HTML_to_PDF/Text_Notes/Create_Text_Notes.html"));
                    descriptionLiteral.Text = System.IO.File.ReadAllText(Server.MapPath("~/DemoAppFiles/Input/Descriptions/AspNet/HTML_to_PDF/Text_Notes/Create_Text_Notes.html"));

                    Master.CollapseAll();
                    Master.ExpandNode("HTML_to_PDF");
                    Master.ExpandNode("Text_Notes");
                    Master.SelectNode("Create_Text_Notes");
                }
            }

            protected void demoMenu_MenuItemClick(object sender, MenuEventArgs e)
            {
                switch (e.Item.Value)
                {
                    case "Live_Demo":
                        demoMultiView.SetActiveView(liveDemoView);
                        break;
                    case "Description":
                        demoMultiView.SetActiveView(descriptionView);
                        break;
                    case "Sample_Code":
                        demoMultiView.SetActiveView(sampleCodeView);
                        break;
                    default:
                        break;
                }
            }
        }
    }