How to convert XPS file to Bitmap using C#

How to convert XPS file to Bitmap

using System;

using System.IO;

using System.IO.Packaging;

using System.Windows.Documents;

using System.Windows.Xps.Packaging;

using System.Windows.Media.Imaging;

using System.Collections.Generic;  

using System.Windows.Forms;

namespace WindowsFormsApplication1

{

    public partial class Form1 : Form

    {

        public Form1()

        {

            InitializeComponent();

        }

        private void button1_Click(object sender, EventArgs e)

        {

            try

            {

                string xpsFile = "c:\\Completed-Form.xps";

                xpsToBmp(xpsFile);

                MessageBox.Show("Done");

            }

            catch (Exception ex)

            {

                MessageBox.Show (ex.Message);

            }

        }

        static public void xpsToBmp(string xpsFile)

        {

            XpsDocument xps = new XpsDocument(xpsFile, System.IO.FileAccess.Read);

            FixedDocumentSequence sequence = xps.GetFixedDocumentSequence();

                                                for (int pageCount = 0; pageCount <

sequence.DocumentPaginator.PageCount; ++pageCount)

            {

                DocumentPage page = sequence.DocumentPaginator.GetPage(pageCount);

                RenderTargetBitmap toBitmap = new RenderTargetBitmap((int)page.Size.Width,(int)

page.Size.Height,96,96,System.Windows.Media.PixelFormats.Default);

                toBitmap.Render(page.Visual);

                BitmapEncoder bmpEncoder = new BmpBitmapEncoder();

                bmpEncoder.Frames.Add(BitmapFrame.Create(toBitmap));

                FileStream fStream = new FileStream("c:\\xpstobmp" + pageCount + ".bmp",

FileMode.Create, FileAccess.Write);

                bmpEncoder.Save(fStream);

                fStream.Close();

            }

        }

    }

}