[Release] AutoPatcher code source

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Net;
using System.IO;

namespace simple_updating
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
            string path = Application.StartupPath;
            string dotdatpath = path + "Version.dat";
            if (File.Exists(dotdatpath) == false)
            {
                MessageBox.Show("could not locate the version.dat at " + dotdatpath);
                Application.Exit();
            }
            {
                StreamReader sr = new StreamReader("version.dat");
                String line;
                if ((line = sr.ReadLine()) != null)
                    label2.Text = line;
                int currentversion = Convert.ToInt16(label1.Text);
                if (currentversion == null)
                {
                    MessageBox.Show("failed to read version.dat , please reinstall the client");
                    Application.Exit();
                }
                WebClient wc = new WebClient();
                WebClient wc2 = new WebClient();
                int newestversion = Convert.ToInt16(wc2.DownloadString("www.elitepvpers.com/sex/fuck/w/e/version.txt"));
                if (newestversion == null)
                {
                    MessageBox.Show("failed to recive the newest version , please try again later");
                    Application.Exit();
                }

                if (newestversion > currentversion)
                {
                    wc.DownloadFileAsync(new Uri("www.elitepvpers.com/downloadpatchs/patch" + newestversion), Application.StartupPath);
                    System.Diagnostics.Process.Start(Convert.ToString(path + currentversion) + ".exe"); 
                }

                wc.DownloadProgressChanged += new DownloadProgressChangedEventHandler(wc_DownloadProgressChanged);

            }
        }

        void wc_DownloadProgressChanged(object sender, DownloadProgressChangedEventArgs e)
        {
            label4.Text = Convert.ToString( e.ProgressPercentage) + "%";
            progressBar1.Maximum = 100;
            progressBar1.Value = e.ProgressPercentage;
            if (progressBar1.Value == 100)
                this.Dispose();
        }
    }
    
}