Knot3.Framework.Widgets.Menu.OnLeftMove C# (CSharp) Method

        public void OnLeftMove(ScreenPoint previousPosition, ScreenPoint currentPosition, ScreenPoint move, GameTime time)
        {
            //currentScrollPosition += (int)((move.Y / RelativeItemHeight)
            //  * ((float)minScrollPosition / (maxScrollPosition - pageScrollPosition)));

            if (IsVisible && IsEnabled && HasScrollbar) {
                //Bounds slider = ScrollSliderInBarBounds;
                Bounds bar = ScrollBarBounds;

                float percentOfBar = move.Relative.Y / bar.Size.Relative.Y;
                currentScrollPosition += percentOfBar * maxScrollPosition;

                /*
                float maxValue = maxScrollPosition;
                float pageValue = pageScrollPosition;
                float visiblePercent = (pageValue / maxValue).Clamp (0.05f, 1f);
                float sliderPosition = ScrollSliderInBarBounds.Position.Absolute.Y / ScrollBarBounds.Size.Absolute.Y;
                Log.Debug ("sliderPosition=", sliderPosition, ", ScrollSliderInBarBounds=", ScrollSliderInBarBounds);
                sliderPosition = move.Y / ScrollBarBounds.Size.Absolute.Y;

                Log.Debug ("sliderPosition new=", sliderPosition, ", current.Y=", currentPosition.Y
                    + ", bar.Size.Y=" + ScrollBarBounds.Size.Absolute.Y
                );
                currentScrollPosition = (int)(sliderPosition * (maxValue - pageValue));
                */
            }
        }