| Level | Ancestor | Description |
|---|
| 1 | TObject | Ultimate ancestor in a class hierarchy |
| 2 | TBaseObject | A base class for objects that can be used instead of TObject. |
| 3 | TCollection<TElement> | Abstract base class for collections that store elements of type TElement |
| 4 | TList<TElement> | A collection of elements that can be accessed by index. |
| 5 | TArrayList<TElement> | TList<TElement> that stores its elements in a contiguous array. |
| 6 | TObjectList<THtmlElement> |
TArrayList<TElement> that stores objects and owns them by default.
|
| 7 | THtmlElementList | |