private void AddTab()
        {
            if (_ItemList == null)
            {
                _ItemList = new InnerStructItemList();
                _ItemList.SelectChanged += ConItem_SelectionChanged;
                TabContent.AddTabItem(TAB_CONSTRUCT_ITEM_STR, _ItemList, TabPopType.POP_CLICK);
            }

            _ItemList.SetListDataContent(_CurInfo._InnerStructItemCollection);
            TabContent.ShowTabContent(TAB_CONSTRUCT_ITEM_STR);
        }