cObject
---cUIObject
------DfBaseObject
---------DfBaseWindow
------------DfBaseUIWindow
---------------DfBaseContainer
------------------DfBaseGroup
---------------------Group
DfBaseGroup is used to create visual group container objects with (by default) a gray background with a rectangular 3D line border with a text label embedded in the top left edge. Its subclasses Group, dbGroup, RadioGroup, RadioContainer, dbRadioGroup, and dbRadioContainer should be used for sub-classing and instantiation.