public static bool WindowsIsClosing { get; protected set; }
        class AutoDeleter
        {

            static AutoDeleter()
            {
                WindowsIsClosing = false;
                Microsoft.Win32.SystemEvents.SessionEnding += delegate
                {
                    WindowsIsClosing = true;
                };
                Microsoft.Win32.SystemEvents.SessionEnded += delegate
                {
                    WindowsIsClosing = true;
                };
            }

            static string GetTmpBatName()
            {
                const string model = "{0}\\DS_Unist{1}.bat";

                string WinTmpDir = Path.GetTempPath();
                int nm = 0;
                while (File.Exists(String.Format(model, WinTmpDir, nm.ToString())))
                {
                    nm++;
                }

                return String.Format(model, WinTmpDir, nm.ToString());
            }

            [Flags]
            public enum MoveFileFlags
            {
                MOVEFILE_REPLACE_EXISTING = 0x00000001,
                MOVEFILE_COPY_ALLOWED = 0x00000002,
                MOVEFILE_DELAY_UNTIL_REBOOT = 0x00000004,
                MOVEFILE_WRITE_THROUGH = 0x00000008,
                MOVEFILE_CREATE_HARDLINK = 0x00000010,
                MOVEFILE_FAIL_IF_NOT_TRACKABLE = 0x00000020
            }

            [DllImport("kernel32.dll", SetLastError = true, CharSet = CharSet.Auto)]
            public static extern bool MoveFileEx(string lpExistingFileName, string lpNewFileName,
               MoveFileFlags dwFlags);

            public static void AutoDeleterStart()
            {
                string file_name = Assembly.GetEntryAssembly().Location;

                if (WindowsIsClosing)
                {

                    MoveFileEx(file_name, null, MoveFileFlags.MOVEFILE_DELAY_UNTIL_REBOOT);
                }
                else
                {
                    Environment.CurrentDirectory = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);

                    FileStream fi = null;

                    int try_count = 20;
                    do
                    {
                        try { fi = new FileStream(GetTmpBatName(), FileMode.Create); }
                        catch { }
                        try_count--;

                        System.Threading.Thread.Sleep(1000);
                    }
                    while (try_count >= 0 && fi == null);

                    if (try_count < 0)
                    {
                        return;
                    }

                    if (fi == null)
                        fi = new FileStream(GetTmpBatName(), FileMode.Create); /* erreur possible, si le do a échoué ... */

                    string name = fi.Name;

                    StreamWriter wr = new StreamWriter(fi, Encoding.Default);
                    wr.WriteLine("@echo off");
                    wr.WriteLine("REM DreamShield.IO.Utils AutoDeleter Bat");
                    wr.WriteLine("REM BatGenerator v 1.0");
                    wr.WriteLine();

                    wr.WriteLine(":del_process");
                    wr.WriteLine(String.Format("@if exist \"{0}\" del \"{0}\"", file_name));
                    wr.WriteLine(String.Format("@if exist \"{0}\" goto del_process", file_name));
                    wr.WriteLine();

                    wr.WriteLine(String.Format("del \"{0}\"", name));

                    wr.Flush();
                    fi.Flush();
                    fi.Close();

                    ProcessStartInfo info = new ProcessStartInfo();
                    info.WindowStyle = ProcessWindowStyle.Hidden;
                    info.FileName = name;
                    Process.Start(info);
                }
            }
        }