Groups object
The Groups collection contains a collection of Group objects. Each Group object contains a collection of Item objects. The Groups property retrieves the control's Groups collection.

 NameDescription 
  AddAdds a Group object to the collection and returns a reference to the newly created object. 
  ClearRemoves all objects in the collection. 
  CountReturns the number of objects in the collection. 
  ItemReturns a specific Group from the collection. 
  ItemByPosRetrieves the group given its position. 
  RemoveRemoves a specific member from the collection.