Cheesebaron.SlidingUpPanel.SlidingUpPanelLayout.OnPanelDragged C# (CSharp) Method

        private void OnPanelDragged(int newTop)
        {
            _slideOffset = _isSlidingUp
                ? (float) (newTop - SlidingTop) / _slideRange
                : (float) (SlidingTop - newTop) / _slideRange;
            OnPanelSlide(_slideableView);
        }

 public override void OnViewPositionChanged(View changedView, int left, int top, int dx, int dy)
 {
     _panelLayout.OnPanelDragged(top);
     _panelLayout.Invalidate();
 }