Defined in : RTreeViewColumnManager.con
(this file must be included in your application in order to have access)
RTreeViewColumnManager is a class that provides some kind o virtual access to the entire columns, without creating objects for each column. This class should not be used directly; it's used internally by the RTreeView control.
Concept, as you know, is an application server, so it runs applications. In doing this, it consumes memory and for that needs to be as memory efficient as possible.