System.Collections.Queue.Peek C# (CSharp) Method

        public virtual Object Peek()
        {
            if (Count == 0)
                throw new InvalidOperationException(SR.InvalidOperation_EmptyQueue);
            Contract.EndContractBlock();

            return _array[_head];
        }

        public IEnumerator Start()
        {
            pool = new InventoryPool<InventoryUIItemWrapper>(wrapperPrefab, 8);
            queue = new Queue<ItemHolder>(8);
            destroyTimer = new WaitForSeconds(slideAnimation.length - 0.025f);
            offsetTimer = new WaitForSeconds(offsetTimerSeconds);

            foreach (var inv in InventoryManager.GetLootToCollections())
            {
                inv.OnAddedItem += (items, amount, cameFromCollection) =>
                {
                    if (cameFromCollection == false)
                    {
                        queue.Enqueue(new ItemHolder() { item = items.FirstOrDefault(), stackSize = amount});
                    }
                };
            }

            while (true)
            {
                if (queue.Count > 0)
                {
                    ShowItem(queue.Peek().item, queue.Peek().stackSize);
                    queue.Dequeue(); // Remove it
                }

                yield return offsetTimer;
            }
        }