Auto Timer setup c# WPF

DispatcherTimer AutoSaveTimer; // Auto saver data to file

        TimeSpan auto_save_increment = new TimeSpan(0, 0, 10);  // time in between saves.

       

           //  AutoSaveTimer setup

            AutoSaveTimer = new System.Windows.Threading.DispatcherTimer();

            AutoSaveTimer.Tick += new EventHandler(AutoSaverTimer_Tick);

            AutoSaveTimer.Interval = auto_save_increment;

            AutoSaveTimer.Start();

        

        // Method to perform autosave work

        private void AutoSaverTimer_Tick(object sender, EventArgs e)

        {

          

        }