         
         switch( context.focusHeading ) {
         case UIFocusHeading.Left:
-            
             _preferredFocusedViewIndex = _preferredFocusedViewIndex - 1
+            self.setNeedsFocusUpdate()
+            //self.updateFocusIfNeeded()
             break
         case UIFocusHeading.Right:
             _preferredFocusedViewIndex = _preferredFocusedViewIndex + 1
+            self.setNeedsFocusUpdate()
+            //self.updateFocusIfNeeded()
             break
         default:
             break
         }
         
-        self.setNeedsFocusUpdate()
-        self.updateFocusIfNeeded()
        
         
     }

    
    override public func didUpdateFocusInContext(context: UIFocusUpdateContext, withAnimationCoordinator coordinator: UIFocusAnimationCoordinator) {
        super.didUpdateFocusInContext(context, withAnimationCoordinator: coordinator)
        
        print( "UIPDFCollectionViewController.didUpdateFocusInContext" )
    }
    

         }
         }
*/
        print( "PageView.shouldUpdateFocusInContext:" )
        
        return result;
        
