isCOBOL Evolve : User Interface : Controls Reference : RADIO-BUTTON : Styles : Transparent
Transparent
When this style is set, the title background becomes transparent.
 
Example - Define a radio-button with transparent title background
screen section.
...
  03 screen-1-rb-2 Radio-Button
     line 20.6
     column 21.7
     size 10.9 cells 
     lines 8.1 cells 
     id 5
     transparent
     title "Option 2"
     .