System\Windows\Data\BindingListCollectionView.cs (6)
535_group.InsertSpecialItem(index, NewItemPlaceholder, false /*loading*/);
2276_group.InsertSpecialItem(0, NewItemPlaceholder, true /*loading*/);
2279_group.InsertSpecialItem(1, _newItem, true /*loading*/);
2299_group.InsertSpecialItem(_group.Items.Count, _newItem, true /*loading*/);
2303_group.InsertSpecialItem(_group.Items.Count, NewItemPlaceholder, true /*loading*/);
2361_group.InsertSpecialItem(index, item, false /*loading*/);