Check-List
When this style is set, check boxes or radio buttons are automatically shown before the List-Box items, allowing the user to easily select one or more rows.
The 
Selection-Mode property allows you to switch between single selection and multiple selection.
 
Example - Define a list-box checked:
screen section. ...   03 screen-1-lbc-1 List-Box      line 5.7      column 3.1      size 34.6 cells       lines 15.5 cells       id 1      check-list      .    |