private void CheckChangeIntervalCount(Interfaces.IPasswordInterface ui)
 {
     switch (SuccessfulCount)
     {
         case 0: // First time through to 30 minutes
             ui.TimerSetInterval(new TimeSpan(0, 5, 0));
             ui.TimerStart();
             break;
         case 6: // 30 minutes though to an hour
             ui.TimerSetInterval(new TimeSpan(0, 10, 0));
             ui.TimerStart();
             break;
         case 9: // hour through to 2 hours
             ui.TimerSetInterval(new TimeSpan(0, 30, 0));
             ui.TimerStart();
             break;
         case 11: // 2 hours onwards
             ui.TimerSetInterval(new TimeSpan(1, 0, 0));
             ui.TimerStart();
             break;
     }
 }