isCOBOL Evolve : User Interface : Controls Reference : TAB-CONTROL : Styles : No-Box
No-Box
When this style is set, the borders of the Tab-Control are not shown.
This style has no effect on Tab-Controls with either the Accordion style or the Allow-Container style.
 
Example - Define a tab-control without borders
screen section.
...
  03 screen-1-tc-1 Tab-Control
     line 2.8
     column 25.7
     size 34.6 cells 
     lines 28.9 cells 
     help-id 1036
     id 10
     background-low
     bold
     no-box
     .