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

            
            MenuRootViewController.view.hidden = false
            shadowLayer.hidden = 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
                    self.contentMaskView.userInteractionEnabled = true
                }
        })
    }
