| 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 | TReferenceCountedObject | Object that keeps track of the number of times it is referenced from other objects |
| 4 | TWebSiteRequestHandler |
Abstract base class to represent a node in a path of handlers that is created while parsing a URI.
|
| 5 | TDefaultWebSiteRequestHandler | Convencience base class for provides a default implementation for TWebSiteRequestHandler |
| 6 | TWebSiteWebSiteRequestHandler | |