 class VHomeControlCameraMenu:UIView
 {
     private weak var controller:CHome!
+    private weak var buttonTrigger:VHomeControlCameraMenuTrigger!
+    private weak var layoutButtonTriggerLeft:NSLayoutConstraint!
     private let kBackgroundHeight:CGFloat = 50
     private let kButtonBackWidth:CGFloat = 60
+    private let kButtonTriggerSize:CGFloat = 72
     
     convenience init(controller:CHome)
     {

            layoutButtonBackTop,
            layoutButtonBackBottom,
            layoutButtonBackLeft,
            layoutButtonBackWidth])
    }
    
    //MARK: actions

            action:#selector(self.actionBack(sender:)),
            for:UIControlEvents.touchUpInside)
        
        let buttonTrigger:VHomeControlCameraMenuTrigger = VHomeControlCameraMenuTrigger(
            controller:controller)
        
        background.addSubview(buttonBack)
        addSubview(background)
        addSubview(buttonTrigger)
        
        let layoutBackgroundHeight:NSLayoutConstraint = NSLayoutConstraint.height(
            view:background,
