Microsoft.Windows.Controls.Ribbon.RibbonApplicationSplitMenuItem.GetContainerForItemOverride C# (CSharp) Method

        protected override DependencyObject GetContainerForItemOverride()
        {
            object currentItem = _currentItem;
            _currentItem = null;

            if (UsesItemContainerTemplate)
            {
                DataTemplate itemContainerTemplate = ItemContainerTemplateSelector.SelectTemplate(currentItem, this);
                if (itemContainerTemplate != null)
                {
                    object itemContainer = itemContainerTemplate.LoadContent();
                    if (itemContainer is RibbonApplicationMenuItem || itemContainer is RibbonApplicationSplitMenuItem || itemContainer is RibbonSeparator || itemContainer is RibbonGallery)
                    {
                        return itemContainer as DependencyObject;
                    }
                    else
                    {
                        throw new InvalidOperationException(Microsoft.Windows.Controls.SR.Get(Microsoft.Windows.Controls.SRID.InvalidApplicationMenuOrItemContainer, this.GetType().Name, itemContainer));
                    }
                }
            }

            return new RibbonApplicationMenuItem();
        }