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

                // Create a PDF document
                Document pdfDocument = null;
                if (radioButtonUseTcpService.Checked)
                    pdfDocument = new Document(serverIP, serverPort);
                else
                    pdfDocument = new Document(true, textBoxWebServiceUrl.Text);

                // Set optional service password
                if (textBoxServicePassword.Text.Length > 0)
                    pdfDocument.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
                pdfDocument.LicenseKey = "4W9+bn19bn5ue2B+bn1/YH98YHd3d3c=";

                // Add a page to PDF document
                PdfPage pdfPage = pdfDocument.AddPage();

                // The titles font used to mark various sections of the PDF document
                PdfFont titleFont = new PdfFont("Times New Roman", 10, true);
                titleFont.Bold = true;
                PdfFont subtitleFont = new PdfFont("Times New Roman", 8, true);

                // Add document title
                TextElement titleTextElement = new TextElement(5, 5, "Add Text Notes to a PDF Document", titleFont);
                pdfPage.AddElement(titleTextElement);

                // Add the text element
                string text = "Click the next icon to open the the text note:";
                TextElement textElement = new TextElement(0, 0, 200, text, subtitleFont);
                pdfDocument.AddElement(textElement, 10);

                RectangleFloat textNoteRectangle = new RectangleFloat(0, 0, 10, 10);

                // Create the text note
                TextNoteElement textNoteElement = new TextNoteElement(textNoteRectangle, "This is an initially closed text note");
                textNoteElement.NoteIcon = TextNoteIcon.Note;
                textNoteElement.Open = false;
                pdfDocument.AddElement(textNoteElement, 10, true, false, 0, true, false);

                // Add the text element
                text = "This is an already opened text note:";
                textElement = new TextElement(0, 0, 200, text, subtitleFont);
                pdfDocument.AddElement(textElement, 5, false, 10, true);

                textNoteRectangle = new RectangleFloat(0, 0, 10, 10);

                // Create the text note
                TextNoteElement textNoteOpenedElement = new TextNoteElement(textNoteRectangle, "This is an initially opened text note");
                textNoteOpenedElement.NoteIcon = TextNoteIcon.Note;
                textNoteOpenedElement.Open = true;
                pdfDocument.AddElement(textNoteOpenedElement, 10, true, false, 0, true, false);

                // Add the text element
                text = "Click the next icon to open the the help note:";
                textElement = new TextElement(0, 0, 200, text, subtitleFont);
                pdfDocument.AddElement(textElement, 5, false, 10, true);

                textNoteRectangle = new RectangleFloat(0, 0, 10, 10);

                // Create the text note
                TextNoteElement helpNoteElement = new TextNoteElement(textNoteRectangle, "This is an initially closed help note");
                helpNoteElement.NoteIcon = TextNoteIcon.Help;
                helpNoteElement.Open = false;
                pdfDocument.AddElement(helpNoteElement, 10, true, false, 0, true, false);

                // Add the text element
                text = "This is an already opened help note:";
                textElement = new TextElement(0, 0, 200, text, subtitleFont);
                pdfDocument.AddElement(textElement, 5, false, 10, true);

                textNoteRectangle = new RectangleFloat(0, 0, 10, 10);

                // Create the text note
                TextNoteElement helpNoteOpenedElement = new TextNoteElement(textNoteRectangle, "This is an initially opened help note");
                helpNoteOpenedElement.NoteIcon = TextNoteIcon.Help;
                helpNoteOpenedElement.Open = true;
                pdfDocument.AddElement(helpNoteOpenedElement, 10, true, false, 0, true, false);

                // Add the text element
                text = "Click the next icon to open the comment:";
                textElement = new TextElement(0, 0, 200, text, subtitleFont);
                pdfDocument.AddElement(textElement, 5, false, 10, true);

                textNoteRectangle = new RectangleFloat(0, 0, 10, 10);

                // Create the text note
                TextNoteElement commentNoteElement = new TextNoteElement(textNoteRectangle, "This is an initially closed comment note");
                commentNoteElement.NoteIcon = TextNoteIcon.Comment;
                commentNoteElement.Open = false;
                pdfDocument.AddElement(commentNoteElement, 10, true, false, 0, true, false);

                // Add the text element
                text = "This is an already opened comment:";
                textElement = new TextElement(0, 0, 200, text, subtitleFont);
                pdfDocument.AddElement(textElement, 5, false, 10, true);

                textNoteRectangle = new RectangleFloat(0, 0, 10, 10);

                // Create the text note
                TextNoteElement commentNoteOpenedElement = new TextNoteElement(textNoteRectangle, "This is an initially opened comment note");
                commentNoteOpenedElement.NoteIcon = TextNoteIcon.Comment;
                commentNoteOpenedElement.Open = true;
                pdfDocument.AddElement(commentNoteOpenedElement, 10, true, false, 0, true, false);

                // Add the text element
                text = "Click the next icon to open the paragraph note: ";
                textElement = new TextElement(0, 0, 200, text, subtitleFont);
                pdfDocument.AddElement(textElement, 5, false, 10, true);

                textNoteRectangle = new RectangleFloat(0, 0, 10, 10);

                // Create the text note
                TextNoteElement paragraphNoteElement = new TextNoteElement(textNoteRectangle, "This is an initially closed paragraph note");
                paragraphNoteElement.NoteIcon = TextNoteIcon.Paragraph;
                paragraphNoteElement.Open = false;
                pdfDocument.AddElement(paragraphNoteElement, 10, true, false, 0, true, false);

                // Add the text element
                text = "Click the next icon to open the new paragraph note:";
                textElement = new TextElement(0, 0, 200, text, subtitleFont);
                pdfDocument.AddElement(textElement, 5, false, 10, true);

                textNoteRectangle = new RectangleFloat(0, 0, 10, 10);

                // Create the text note
                TextNoteElement newParagraphNoteElement = new TextNoteElement(textNoteRectangle, "This is an initially closed new paragraph note");
                newParagraphNoteElement.NoteIcon = TextNoteIcon.NewParagraph;
                newParagraphNoteElement.Open = false;
                pdfDocument.AddElement(newParagraphNoteElement, 10, true, false, 0, true, false);

                // Add the text element
                text = "Click the next icon to open the key note:";
                textElement = new TextElement(0, 0, 200, text, subtitleFont);
                pdfDocument.AddElement(textElement, 5, false, 10, true);

                textNoteRectangle = new RectangleFloat(0, 0, 10, 10);

                // Create the text note
                TextNoteElement keyNoteElement = new TextNoteElement(textNoteRectangle, "This is an initially closed key note");
                keyNoteElement.NoteIcon = TextNoteIcon.Key;
                keyNoteElement.Open = false;
                pdfDocument.AddElement(keyNoteElement, 10, true, false, 0, true, false);

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

                    Master.CollapseAll();
                    Master.ExpandNode("PDF_Creator");
                    Master.SelectNode("PDF_Creator_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;
                }
            }
        }
    }