public int GetSlotIndex(ItemData item)
    {
        int i;
        var inventorySize = InventoryObject.Container.Items.Count;

        for (i = 0; i < inventorySize; i++)
        {
            var _item = InventoryObject.Container.Items[i];
            if (_item.Id > item.Id)
            {
                return(i);
            }
            if (ItemDataUtilities.CompareItems(item, _item))
            {
                break;
            }
        }
        return(i);
    }