private void InternalShowItem(int itemId, string itemAssetName, ItemGroup itemGroup, object itemInstance, bool isNewInstance, float duration, object userData)
        {
            try
            {
                IItem item = m_ItemHelper.CreateItem(itemInstance, itemGroup, userData);
                if (item == null)
                {
                    throw new GameFrameworkException("Can not create item in helper.");
                }

                ItemInfo itemInfo = ItemInfo.Create(item);
                m_ItemInfos.Add(itemId, itemInfo);
                itemInfo.Status = ItemStatus.WillInit;
                item.OnInit(itemId, itemAssetName, itemGroup, isNewInstance, userData);
                itemInfo.Status = ItemStatus.Inited;
                itemGroup.AddItem(item);
                itemInfo.Status = ItemStatus.WillShow;
                item.OnShow(userData);
                itemInfo.Status = ItemStatus.Showed;

                if (m_ShowItemSuccessEventHandler != null)
                {
                    ShowItemSuccessEventArgs showItemSuccessEventArgs = ShowItemSuccessEventArgs.Create(item, duration, userData);
                    m_ShowItemSuccessEventHandler(this, showItemSuccessEventArgs);
                    ReferencePool.Release(showItemSuccessEventArgs);
                }
            }
            catch (Exception exception)
            {
                if (m_ShowItemFailureEventHandler != null)
                {
                    ShowItemFailureEventArgs showItemFailureEventArgs = ShowItemFailureEventArgs.Create(itemId, itemAssetName, itemGroup.Name, exception.ToString(), userData);
                    m_ShowItemFailureEventHandler(this, showItemFailureEventArgs);
                    ReferencePool.Release(showItemFailureEventArgs);
                    return;
                }

                throw;
            }
        }
 private void OnShowItemSuccess(object sender, GameFramework.Item.ShowItemSuccessEventArgs e)
 {
     m_EventComponent.Fire(this, ShowItemSuccessEventArgs.Create(e));
 }