コード例 #1
0
        public bool MoveNext()
        {
            var moveNext = _innerEnumerator.MoveNext();

            if (moveNext)
            {
                Current = new ItemTemplateContext(_formsDataTemplate, _innerEnumerator.Current, _container);
            }

            return(moveNext);
        }
コード例 #2
0
        public GroupTemplateContext(ItemTemplateContext headerItemTemplateContext,
                                    ItemTemplateContext footerItemTemplateContext, object items)
        {
            HeaderItemTemplateContext = headerItemTemplateContext;
            FooterItemTemplateContext = footerItemTemplateContext;

            if (footerItemTemplateContext == null)
            {
                Items = items;
            }
            else
            {
                // UWP ListViewBase does not support group footers. So we're going to fake the footer by adding an
                // extra item to the ItemsSource so the footer shows up at the end of the group.

                if (items is IList itemsList)
                {
                    // If it's already an IList, we want to make sure to keep it that way
                    itemsList.Add(footerItemTemplateContext);
                    Items = itemsList;
                    return;
                }

                // If the group items are not an IList, then we'll have to append the footer the hard way

                var listPlusFooter = new List <object>();

                foreach (var item in (items as IEnumerable))
                {
                    listPlusFooter.Add(item);
                }

                listPlusFooter.Add(footerItemTemplateContext);

                Items = listPlusFooter;
            }
        }