/// <summary>
        /// Displays XML contained in an XmlReader object using a basic transform.
        /// </summary>
        /// <param name="oReader">An instance of an XMLReader object</param>
        /// <remarks></remarks>
        public void DisplayPrettyXML(XmlReader oReader)
        {
            try //to display the XML contained in the Reader
            {
                //If I don't currently have a Transformation object then...
                if (moXsltTransformation == null)
                {
                    //Create one. This object will be reused on each call to any
                    //of the DisplayPrettyXML overloads.
                    moXsltTransformation = new XslCompiledTransform(false);
                    //Create a TextReader and load it with the xslt file from my resources
                    using (TextReader oTextReader = new StringReader(Properties.Resources.PrettyPrint))
                    {
                        //Create an XmlReader from the TextReader
                        using (XmlReader oXsltReader = XmlReader.Create(oTextReader))
                        {
                            //Load the style sheet into the Transformation object
                            moXsltTransformation.Load(oXsltReader);
                        }
 
                    }
 
                }
                //If I don't currently have a stringbuilder object then...
                if (moStringBuilder == null)
                {
                    //Make one. This object will be reused on each call to any
                    //of the DisplayPrettyXML overloads.
                    moStringBuilder = new StringBuilder();
                }
                else //Otherwise, reuse the one I have. Empty it.
                {
                    moStringBuilder.Remove(0, moStringBuilder.Length);
                }
                //Create an XmlWriter that will fill the stringbuilder with xml
                using (XmlWriter oXmlWriter = XmlWriter.Create(moStringBuilder))
                {
                    //Do the transformation
                    moXsltTransformation.Transform(oReader, null, oXmlWriter);
                }
 
                //I'm decended from the MS WebBrowser control, so I can just
                //set my DocumentText property to the now populated stringbuilder
                this.DocumentText = moStringBuilder.ToString();
            }
            catch (Exception)
            {
                this.DocumentText = ERR_HTML;
            }
            }

    /// <summary>
        /// Displays XML contained in a stream using a basic transform.
        /// </summary>
        /// <param name="strFilePath">The path to an XML file.</param>
        /// <remarks></remarks>
        public void DisplayPrettyXML(string strFilePath)
        {
             //to convert the file found at the location into an XmlReader
                //and pass it to the overload of DisplayPrettyXML
                DisplayPrettyXML(XmlReader.Create(File.OpenRead(strFilePath)));
          }

        #region cmdFile_Click

        public void cmdFile_Click(System.Object sender, System.EventArgs e)
        {
            //Ask the WebBrowser to display XML from a file
            WebBrowser.DisplayPrettyXML("XMLFiles\\MusicLibrarySting.xml");
        } 
        #endregion

        #region cmdStream_Click
        public void cmdStream_Click(System.Object sender, System.EventArgs e)
        {
            //Ask the WebBrowser to display XML from a stream
            using (FileStream oStream = File.OpenRead("XMLFiles\\MusicLibraryMadonna.xml"))
            {
                WebBrowser.DisplayPrettyXML(oStream);
            }
 
        } 
        #endregion

        #region cmdXMLReader_Click
        public void cmdXMLReader_Click(System.Object sender, System.EventArgs e)
        {
            //Ask the WebBrowser to display XML from an XmlReader
            using (XmlReader oXmlReader = XmlReader.Create("XMLFiles\\MusicLibraryREM.xml"))
            {
                WebBrowser.DisplayPrettyXML(oXmlReader);
            }
 
        } 
        #endregion

        #region cmdXMLDoc_Click

        public void cmdXMLDoc_Click(System.Object sender, System.EventArgs e)
        {
            //Ask the WebBrowser to display XML from an XmlDocument instance
            XmlDocument oXmlDocument = new XmlDocument();
            oXmlDocument.Load("XMLFiles\\MusicLibrarySeanPaul.xml");
            WebBrowser.DisplayPrettyXML(oXmlDocument);
        } 
        #endregion

        #region cmdXMLDataDoc_Click
        public void cmdXMLDataDoc_Click(System.Object sender, System.EventArgs e)
        {
            //Ask the WebBrowser to display XML from an XmlDataDocument instance
            XmlDataDocument oXmlDataDocument = new XmlDataDocument();
            oXmlDataDocument.Load("XMLFiles\\MusicLibraryBeatles.xml");
            WebBrowser.DisplayPrettyXML(oXmlDataDocument);
        } 
        #endregion