Inventory.OnUpdateItemList C# (CSharp) Method

    public void OnUpdateItemList()
    {
        updateItemList();
    }

    public void OnDrag(PointerEventData data)
    {
        if (rectTransform == null)
        {
            return;
        }

        if (data.button == PointerEventData.InputButton.Left && transform.parent.GetComponent <CraftResultSlot>() == null)
        {
            rectTransform.SetAsLastSibling();
            transform.SetParent(draggedItemBox);                                                       // icon placed into empty object
            Vector2 localPointerPosition;
            canvasGroup.blocksRaycasts = false;
            if (RectTransformUtility.ScreenPointToLocalPointInRectangle(rectTransformSlot, Input.mousePosition, data.pressEventCamera, out localPointerPosition))  // follow mouse
            {
                rectTransform.localPosition = localPointerPosition - pointerOffset;
                if (transform.GetComponent <ConsumeItem>().duplication != null)
                {
                    Destroy(transform.GetComponent <ConsumeItem>().duplication);
                }
            }
        }

        inventory.OnUpdateItemList();
    }