private void OnDestroy()
{
VuforiaARController expr_05 = VuforiaARController.Instance;
expr_05.UnregisterVuforiaInitializedCallback(new Action(this.OnVuforiaInitialized));
expr_05.UnregisterVuforiaStartedCallback(new Action(this.OnVuforiaStarted));
expr_05.UnregisterTrackablesUpdatedCallback(new Action(this.OnTrackablesUpdated));
expr_05.UnregisterOnPauseCallback(new Action <bool>(this.OnPause));
TextTracker tracker = TrackerManager.Instance.GetTracker <TextTracker>();
if (tracker != null)
{
tracker.WordList.UnloadAllLists();
}
}