Getting Started with Winnovative HTML to PDF Converter

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

// Use Winnovative Namespace
using WinnovativeClient;

namespace WnvHtmlToPdfDemo.HTML_to_PDF
{
    public partial class Getting_Started : 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 = "fvDh8eDx4fHg4P/h8eLg/+Dj/+jo6Og=";

            // Set HTML Viewer width in pixels which is the equivalent in converter of the browser window width
            htmlToPdfConverter.HtmlViewerWidth = int.Parse(htmlViewerWidthTextBox.Text);

            // Set HTML viewer height in pixels to convert the top part of a HTML page 
            // Leave it not set to convert the entire HTML
            if (htmlViewerHeightTextBox.Text.Length > 0)
                htmlToPdfConverter.HtmlViewerHeight = int.Parse(htmlViewerHeightTextBox.Text);

            // Set PDF page size which can be a predefined size like A4 or a custom size in points 
            // Leave it not set to have a default A4 PDF page
            htmlToPdfConverter.PdfDocumentOptions.PdfPageSize = SelectedPdfPageSize();

            // Set PDF page orientation to Portrait or Landscape
            // Leave it not set to have a default Portrait orientation for PDF page
            htmlToPdfConverter.PdfDocumentOptions.PdfPageOrientation = SelectedPdfPageOrientation();

            // Set the maximum time in seconds to wait for HTML page to be loaded 
            // Leave it not set for a default 60 seconds maximum wait time
            htmlToPdfConverter.NavigationTimeout = int.Parse(navigationTimeoutTextBox.Text);

            // 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
            if (conversionDelayTextBox.Text.Length > 0)
                htmlToPdfConverter.ConversionDelay = int.Parse(conversionDelayTextBox.Text);

            // The buffer to receive the generated PDF document
            byte[] outPdfBuffer = null;

            if (convertUrlRadioButton.Checked)
            {
                string url = urlTextBox.Text;

                // Convert the HTML page given by an URL to a PDF document in a memory buffer
                outPdfBuffer = htmlToPdfConverter.ConvertUrl(url);
            }
            else
            {
                string htmlString = htmlStringTextBox.Text;
                string baseUrl = baseUrlTextBox.Text;

                // Convert a HTML string with a base URL to a PDF document in a memory buffer
                outPdfBuffer = htmlToPdfConverter.ConvertHtml(htmlString, baseUrl);
            }

            // 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("{0}; filename=Getting_Started.pdf; size={1}",
                openInlineCheckBox.Checked ? "inline" : "attachment", 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();
        }

        private PdfPageSize SelectedPdfPageSize()
        {
            switch (pdfPageSizeDropDownList.SelectedValue)
            {
                case "A0":
                    return PdfPageSize.A0;
                case "A1":
                    return PdfPageSize.A1;
                case "A10":
                    return PdfPageSize.A10;
                case "A2":
                    return PdfPageSize.A2;
                case "A3":
                    return PdfPageSize.A3;
                case "A4":
                    return PdfPageSize.A4;
                case "A5":
                    return PdfPageSize.A5;
                case "A6":
                    return PdfPageSize.A6;
                case "A7":
                    return PdfPageSize.A7;
                case "A8":
                    return PdfPageSize.A8;
                case "A9":
                    return PdfPageSize.A9;
                case "ArchA":
                    return PdfPageSize.ArchA;
                case "ArchB":
                    return PdfPageSize.ArchB;
                case "ArchC":
                    return PdfPageSize.ArchC;
                case "ArchD":
                    return PdfPageSize.ArchD;
                case "ArchE":
                    return PdfPageSize.ArchE;
                case "B0":
                    return PdfPageSize.B0;
                case "B1":
                    return PdfPageSize.B1;
                case "B2":
                    return PdfPageSize.B2;
                case "B3":
                    return PdfPageSize.B3;
                case "B4":
                    return PdfPageSize.B4;
                case "B5":
                    return PdfPageSize.B5;
                case "Flsa":
                    return PdfPageSize.Flsa;
                case "HalfLetter":
                    return PdfPageSize.HalfLetter;
                case "Ledger":
                    return PdfPageSize.Ledger;
                case "Legal":
                    return PdfPageSize.Legal;
                case "Letter":
                    return PdfPageSize.Letter;
                case "Letter11x17":
                    return PdfPageSize.Letter11x17;
                case "Note":
                    return PdfPageSize.Note;
                default:
                    return PdfPageSize.A4;
            }
        }

        private PdfPageOrientation SelectedPdfPageOrientation()
        {
            return (pdfPageOrientationDropDownList.SelectedValue == "Portrait") ?
                PdfPageOrientation.Portrait : PdfPageOrientation.Landscape;
        }

        protected void convertUrlRadioButton_CheckedChanged(object sender, EventArgs e)
        {
            urlPanel.Visible = convertUrlRadioButton.Checked;
            htmlStringPanel.Visible = !convertUrlRadioButton.Checked;
        }

        protected void convertHtmlRadioButton_CheckedChanged(object sender, EventArgs e)
        {
            urlPanel.Visible = convertUrlRadioButton.Checked;
            htmlStringPanel.Visible = !convertUrlRadioButton.Checked;
        }

        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                pdfPageSizeDropDownList.SelectedValue = "A4";
                pdfPageOrientationDropDownList.SelectedValue = "Portrait";

                urlPanel.Visible = convertUrlRadioButton.Checked;
                htmlStringPanel.Visible = !convertUrlRadioButton.Checked;

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

                Master.CollapseAll();
                Master.ExpandNode("HTML_to_PDF");
                Master.SelectNode("Getting_Started");
            }
        }

        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;
            }
        }
    }
}