TTree Collection - Polymorphic Collection class which can contain hierarchical structures of different classes.

TTree Collection

Each Item of Collection itself is a Collection
TTreeNodes and TTreeNode functionality - you can operate with items as TTreeNodes
Hierachical Structure with TTreeNodes functionality
Polymorphic Tree - you can hold tree of registered descendants of TTreeCollection
Very convenient and simple TTreeCollection property editor for any component that has a content property type of TTreeCollection, with access to all TTreeCollection Items and their properties. You do not need to write and construct another property editor - TTreeCollection property editor automatically recognizes the property name and allows you to show any object in TTreeCollection in Object Inspector (for Delphi3/4 and C++ Builder 3/4 only)
Delphi streaming system support runtime/designtime
Can save objects properties at design time. Streaming functions: Stream Load/Save, File Load/Save
Added DB support functions : SaveComponentToText and LoadComponentFromText - you can save and load TTreeCollection Component to/from String/Blob fields
Added Simple Implementation of TreeCollection - TRootCollection (included in TtreeCollection Package)