AVCamBarcode.CameraViewController.RemoveObservers C# (CSharp) 메소드

		void RemoveObservers ()
		{
			runningChangeToken.Dispose ();
			PreviewView.RegionOfInterestDidChange -= RegionOfInterestChanged;
			runtimeErrorNotificationToken.Dispose ();
			wasInterruptedNotificationToken.Dispose ();
			interruptionEndedNotificationToken.Dispose ();
		}