CloneItem
BListItem* item = CloneItem(IndexOf((BListItem*)items.ItemAt(i)));
virtual BListItem* CloneItem(int32 atIndex) const = 0;
virtual BListItem* CloneItem(int32 atIndex) const;
virtual BListItem* CloneItem(int32 atIndex) const;
virtual BListItem* CloneItem(int32 atIndex) const;
virtual BListItem* CloneItem(int32 atIndex) const;
virtual BListItem* CloneItem(int32 atIndex) const;
BListItem* item = CloneItem(index);
virtual BListItem* CloneItem(int32 atIndex) const = 0;
virtual BListItem* CloneItem(int32 atIndex) const;