isCOBOL Evolve : User Interface : Controls Reference : TREE-VIEW : Properties : Expand
Expand
This property is used to programmatically expand or collapse the item identified by the Item property. Valid values, defined in isgui.def, are:
tvflag-collapse
The item is collapsed.
tvflag-expand
The item is expanded.
tvflag-expand-all
The item and its sub-items are expanded.
 
Example - Define a tree-view and expand one of its items on procedure division
screen section.
...
  03 screen-1-tv-1 Tree-View
     line 2.7
     column 3.4
     size 20.8 cells 
     lines 29.1 cells 
     color 144
     id 2
     event-list ( cmd-goto cmd-help )
     exclude-event-list 1
     no-box
     .
...
procedure division.
...
  modify screen-1-tv-1 item 1 expand tvflag-expand
...