The features described in this topic are obsolete
and should not be used in new IDL code.
WIDGET_TREE
The following keywords to the WIDGET_TREE function are obsolete.
Keywords
TOP
Set this keyword to cause the tree node being created to be inserted as the parent node's top entry. By default, new nodes are inserted as the parent node's bottom entry.
This keyword is only valid if the Parent of the tree widget is another tree widget.