Id
This property allows you to assign a unique ID to the Slider 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 slide-bar with an ID property
screen section. ...   03 screen-1-sl-1 Slider      line 33.1      column 12.8      size 38.2 cells       lines 3.0 cells       color 135      id 9      horizontal      .  |