Id
This property allows you to assign a unique ID to the Tree-View control.
This is the information the variables 
event-control-id and 
control-id refer to. Both variables are defined in 
iscrt.def.
 
Example - Define a tree-view with an ID
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      no-box      .  |