UnityEngine.UI.LoopHorizontalScrollRect.UpdateItems C# (CSharp) Method

        protected override bool UpdateItems(Bounds viewBounds, Bounds contentBounds)
        {
            bool changed = false;
            if (viewBounds.max.x > contentBounds.max.x)
            {
                float size = NewItemAtEnd();
                if (size > 0)
                {
                    if (Threshold < size)
                    {
                        // Preventing new and delete repeatly...
                        Threshold = size * 1.1f;
                    }
                    changed = true;
                }
            }
            else if (viewBounds.max.x < contentBounds.max.x - Threshold)
            {
                float size = DeleteItemAtEnd();
                if (size > 0)
                {
                    changed = true;
                }
            }

            if (viewBounds.min.x < contentBounds.min.x)
            {
                float size = NewItemAtStart();
                if (size > 0)
                {
                    if (Threshold < size)
                    {
                        Threshold = size * 1.1f;
                    }
                    changed = true;
                }
            }
            else if (viewBounds.min.x > contentBounds.min.x + Threshold)
            {
                float size = DeleteItemAtStart();
                if (size > 0)
                {
                    changed = true;
                }
            }
            return changed;
        }
    }