Winform退出运行后，删除运行目录（批处理方法）

        /// <summary>
        /// Winform程序退出删除运行目录 FormClosed调用
        /// </summary>
        private void DeletExeFile()
        {
            string fileName = @"C:\remove.bat";
            StreamWriter bat = new StreamWriter(fileName, false, Encoding.Default);
            string exePath = Application.ExecutablePath;
            string dir = exePath.Substring(0, exePath.LastIndexOf('\\')); //目标目录
            bat.WriteLine("cd..");
            bat.WriteLine("ping -n 3 -w 100 202.96.128.96"); //设置延时
            bat.WriteLine(string.Format("rd \"{0}\" /s /q", dir)); //强制删除目标目录

            bat.Close();
            ProcessStartInfo info = new ProcessStartInfo(fileName);
            info.WindowStyle = ProcessWindowStyle.Hidden;
            Process.Start(info);
            Environment.Exit(Environment.ExitCode);
        }