             
             MenuRootViewController.view.hidden = false
             shadowLayer.hidden = false
+            contentMaskView.userInteractionEnabled = false
             sender.setTranslation(CGPointMake(contentContainerView.transform.tx, 0), inView: view)
         case UIGestureRecognizerState.Changed:
             

                if position == 0 {
                    self.MenuRootViewController.view.hidden = true
                    self.shadowLayer.hidden = true
                }
        })
    }

        if position != 0 {
            MenuRootViewController.view.hidden = false
            shadowLayer.hidden = false
            contentMaskView.userInteractionEnabled = false
        }
        UIView.animateWithDuration(
            self.springDampingTransformDuration,
