         self.init()
         clipsToBounds = true
         backgroundColor = UIColor.white
-        
+        self.controller = controller
+    }
+    
+    //MARK: private
+    
+    private func loadBar()
+    {
         let viewBar:VParentBar = VParentBar(
             controller:controller)
         self.viewBar = viewBar

{
    static let kBarHeight:CGFloat = 64
    
    private weak var viewBar:VParentBar!
    private weak var layoutBarTop:NSLayoutConstraint!
    private let kAnimationDuration:TimeInterval = 0.3
    
    convenience init(controller:CParent)

    {
        if offsetY > 0
        {
            layoutBarTop?.constant = 0
        }
        else
        {
            layoutBarTop?.constant = offsetY
        }
    }
    
    func restartScroll()
    {
        layoutBarTop?.constant = 0
        
        UIView.animate(withDuration:kAnimationDuration)
        {
