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In this demo you can convert an URL, a local file or a HTML code to PDF. You can control the PDF page size and orientation, PDF page margins, browser width and height, HTML content location, HTML content fitting and scaling in PDF page.
Server Settings
IP: Port: Password:
PDF Settings
Page Size: Page Orientation:
Margins: Left: pt Right: pt Top: pt Bottom: pt
Browser Settings
Browser Width: px Browser Height: px Timeout: sec
HTML Location
Left: pt Top: pt Width: pt Height: pt
HTML Scaling and Fitting Options
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C# Code
using System;
using System.Collections.Generic;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

using HiQPdfClient;

namespace HiQPdf_Demo
    public partial class HtmlFittingAndScalingOptions : System.Web.UI.Page
        protected void buttonConvertToPdf_Click(object sender, EventArgs e)
            string serverIP = textBoxServerIP.Text;
            uint serverPort = uint.Parse(textBoxServerPort.Text);
            string serverPassword = textBoxServerPassword.Text;

            // create the HTML to PDF converter
            HtmlToPdf htmlToPdfConverter = new HtmlToPdf(serverIP, serverPort);

            // use server password if necessary
            if (serverPassword.Length > 0)
                htmlToPdfConverter.ServerPassword = serverPassword;

            // set a demo serial number
            htmlToPdfConverter.SerialNumber = "YCgJMTAE-BiwJAhIB-EhlWTlBA-UEBRQFBA-U1FOUVJO-WVlZWQ==";

            // set browser width
            htmlToPdfConverter.BrowserWidth = int.Parse(textBoxBrowserWidth.Text);

            // set browser height if specified, otherwise use the default
            if (textBoxBrowserHeight.Text.Length > 0)
                htmlToPdfConverter.BrowserHeight = int.Parse(textBoxBrowserHeight.Text);

            // set HTML Load timeout
            htmlToPdfConverter.HtmlLoadedTimeout = int.Parse(textBoxLoadHtmlTimeout.Text);

            // optionally wait an additional time before starting the conversion
            // it is not necessary to set this property if the HTML page is not updated after initial load
            htmlToPdfConverter.WaitBeforeConvert = 2;

            // set PDF page size and orientation
            htmlToPdfConverter.Document.PageSize = GetSelectedPageSize();
            htmlToPdfConverter.Document.PageOrientation = GetSelectedPageOrientation();

            // set PDF page size and orientation
            htmlToPdfConverter.Document.PageSize = GetSelectedPageSize();
            htmlToPdfConverter.Document.PageOrientation = GetSelectedPageOrientation();

            // set PDF page margins
            htmlToPdfConverter.Document.Margins = new PdfMargins(
                                        int.Parse(textBoxLeftMargin.Text), int.Parse(textBoxRightMargin.Text),
                                        int.Parse(textBoxTopMargin.Text), int.Parse(textBoxBottomMargin.Text));

            // set HTML location and size in PDF page
            if (textBoxHtmlLeftLocation.Text.Length > 0)
                htmlToPdfConverter.Document.DestX = float.Parse(textBoxHtmlLeftLocation.Text);
            if (textBoxHtmlTopLocation.Text.Length > 0)
                htmlToPdfConverter.Document.DestY = float.Parse(textBoxHtmlTopLocation.Text);
            if (textBoxHtmlWidth.Text.Length > 0)
                htmlToPdfConverter.Document.DestWidth = float.Parse(textBoxHtmlWidth.Text);
            if (textBoxHtmlHeight.Text.Length > 0)
                htmlToPdfConverter.Document.DestHeight = float.Parse(textBoxHtmlHeight.Text);

            // control if the HTML can be scaled to fit the PDF page width
            htmlToPdfConverter.Document.FitPageWidth = checkBoxFitPageWidth.Checked;

            // control if the HTML can be enlarged to fit the PDF page width when FitPageWidth is true
            htmlToPdfConverter.Document.ForceFitPageWidth = checkBoxForceFitPageWidth.Checked;

            // control if the PDF page can be resized to display the whole HTML content when FitPageWidth is false
            htmlToPdfConverter.Document.ResizePageWidth = checkBoxResizePdfPage.Checked;

            // control if the HTML content can be scaled to fit the PDF page height
            htmlToPdfConverter.Document.FitPageHeight = checkBoxFitPageHeight.Checked;

            // control if the whole HTML content will be rendered in one PDF page without scaling
            htmlToPdfConverter.Document.PostCardMode = checkBoxPostCardMode.Checked;         

            // convert HTML to PDF
            byte[] pdfBuffer = null;

            if (radioButtonConvertUrl.Checked)
                // convert URL to a PDF memory buffer
                string url = textBoxUrl.Text;

                pdfBuffer = htmlToPdfConverter.ConvertUrlToMemory(url);
                // convert HTML code
                string htmlCode = textBoxHtmlCode.Text;
                string baseUrl = textBoxBaseUrl.Text;

                // convert HTML code to a PDF memory buffer
                pdfBuffer = htmlToPdfConverter.ConvertHtmlToMemory(htmlCode, baseUrl);

            // inform the browser about the binary data format
            HttpContext.Current.Response.AddHeader("Content-Type", "application/pdf");

            // let the browser know how to open the PDF document, attachment or inline, and the file name
            HttpContext.Current.Response.AddHeader("Content-Disposition", String.Format("attachment; filename=HtmlFittingAndScaling.pdf; size={0}", 

            // write the PDF buffer to HTTP response

            // call End() method of HTTP response to stop ASP.NET page processing

        private PdfPageSize GetSelectedPageSize()
            switch (dropDownListPageSizes.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;
                    return PdfPageSize.A4;

        private PdfPageOrientation GetSelectedPageOrientation()
            return (dropDownListPageOrientations.SelectedValue == "Portrait") ?
                PdfPageOrientation.Portrait : PdfPageOrientation.Landscape;

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



        protected void checkBoxFitPageWidth_CheckedChanged(object sender, EventArgs e)
            checkBoxResizePdfPage.Visible = !checkBoxFitPageWidth.Checked;
            checkBoxForceFitPageWidth.Visible = checkBoxFitPageWidth.Checked;

        protected void radioButtonConvertUrl_CheckedChanged(object sender, EventArgs e)
            panelUrl.Visible = radioButtonConvertUrl.Checked;
            panelHtmlCode.Visible = !radioButtonConvertUrl.Checked;

        protected void radioButtonConvertHtmlCode_CheckedChanged(object sender, EventArgs e)
            panelUrl.Visible = !radioButtonConvertHtmlCode.Checked;
            panelHtmlCode.Visible = radioButtonConvertHtmlCode.Checked;