public virtual void OnDrop(PointerEventData pointer)
{
ItemIn com = pointer.pointerDrag.GetComponent <ItemIn>();
if (com != null && com.selfItem.item != null)
{
window.Move(GetComponent <ItemIn>().selfItem, pointer.pointerDrag.GetComponent <ItemIn>().selfItem);
window.SetSelectedItem(this.selfItem);
}
}
