Value
This property represents the value of the Tree-View control.
When inquired, it returns the value that is currently represented.
When set, the Tree-View control changes its look to represent it.
It is the currently selected item.
 
Example - Get the value of the currently selected item from the tree-view
working-storage section.
77 ws-tv   pic 9(3).
...
procedure division.
...
  inquire screen-1-tv-1 value ws-tv
...