Converter Code

using System;
using System.IO;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Xml;
using System.Xml.Xsl;
using System.Windows.Forms;
using Ionic.Zip;

namespace DWConverter
{
    public partial class Form1 : Form
    {
        String saveDir = "";
        String openDir = "";
        public Form1()
        {
            InitializeComponent();
        }

        private void btnOpen_Click(object sender, EventArgs e)
        {
            openFileDialog1.ShowDialog();
        }

        private void openFileDialog1_FileOk(object sender, CancelEventArgs e)
        {
            openDir = openFileDialog1.FileName;
            txtBoxOpen.Text = openDir;
            saveDir = openDir.Replace(openFileDialog1.SafeFileName, "");
            txtBoxSave.Text = saveDir;
        }

        private void btnSave_Click(object sender, EventArgs e)
        {
            saveFileDialog1.ShowDialog();
        }

        private void saveFileDialog1_FileOk(object sender, CancelEventArgs e)
        {
            saveDir = saveFileDialog1.FileName;
            txtBoxSave.Text = saveDir;
        }

        private void btnConvert_Click(object sender, EventArgs e)
        {
            String workingDir = Directory.GetCurrentDirectory() + @"\working\";
            using (ZipFile zip = ZipFile.Read(openDir))
            {
                zip.ExtractAll(workingDir);
            }
            try
            {
                // strXMLFilePath holds the absolute path of the extracted //“Document.xml” file from the word document(*.docx)
                string strXMLFilePath = workingDir + @"\word\document.xml";
                // Lets save the XSLT (shown in the article) to a file called //“OpenXml_XSLT.xsl”
                // strXSLFilePath holds the absolute path of the “OpenXml_XSLT.xsl”
                //string strXSLFilePath = Directory.GetCurrentDirectory() + @"\DocX2Html.xsl";
                // strHtmlFilePath holds the file name & path of the HTML file to be
                //    generated.In this case we save it inside the folder that holds
                //   the Document.xml
                if(File.Exists(saveDir)){
                saveDir += 1;
                }
                string strHtmlFilePath = saveDir;
                //Load the Document.xml file into  XmlDocument object
                XmlDocument objXmlDom = new XmlDocument();
                objXmlDom.Load(strXMLFilePath);
                //Load the XSL file(OpenXml_XSLT.xsl) into the XslCompiledTransform object
                XslCompiledTransform objXSLT = new XslCompiledTransform();
                objXSLT.Load(System.Reflection.Assembly.Load("DocX2Html").GetType("DocX2Html"));
                // The Transform method converts the XML to HTML and stores the HTML file
                // in the path specified in the variable strHtmlFilePath
                objXSLT.Transform(strXMLFilePath, strHtmlFilePath);
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
            Directory.Delete(workingDir, true);
        }
    }
}