System\Windows\Data\BindingListCollectionView.cs (6)
534_group.InsertSpecialItem(index, NewItemPlaceholder, false /*loading*/);
2260_group.InsertSpecialItem(0, NewItemPlaceholder, true /*loading*/);
2263_group.InsertSpecialItem(1, _newItem, true /*loading*/);
2283_group.InsertSpecialItem(_group.Items.Count, _newItem, true /*loading*/);
2287_group.InsertSpecialItem(_group.Items.Count, NewItemPlaceholder, true /*loading*/);
2345_group.InsertSpecialItem(index, item, false /*loading*/);