         }
     }
     
-
+    
     /**
     通过offsetX, 来改变centerView的位置以及大小
     

    var toggleState: ToggleState = .Close
    
    
    
    init(centerViewController: UIViewController, leftViewController: UIViewController){
        
        self.leftViewController = leftViewController

            centerViewTempOriginX = centerViewWillToOrginX
            
        }
        
        
    }
    
