CancelAndForgetObserver should be used from the destructor or similar places (i.e. "omg I'm going away right now"); ideally it wouldn't be necessary at all, but due to the way imagelib delivers notifications, that can't be guaranteed.
CancelAndForget Observer should be used from the destructor or similar places (i.e. "omg I'm going away right now"); ideally it wouldn't be necessary at all, but due to the way imagelib delivers notifications, that can't be guaranteed.