Dev 2000 Question regarding Interface

Greetings,

  I am creating colapsable / expandable items on a canvas   as a user interface to invoke several forms and reports.   And this is like the Object Navigator in Oracle Forms/Reports   and also like Windows explorer. My question is how to   create this interface?

  Any leads into this would be greatly appreciated.

Thanks in advance
Vishwa P Gaddamanugu

-- 
_____________________________________________________________________________ 
 _   _                                   _                 _             
| | | | __ ___   _____     __ _    _ __ (_) ___ ___     __| | __ _ _   _ 
| |_| |/ _` \ \ / / _ \   / _` |  | '_ \| |/ __/ _ \   / _` |/ _` | | | |