isCOBOL Evolve : User Interface : Controls Reference : TAB-CONTROL : Properties : Enabled
Enabled
This property assumes a value of "0" if the Tab-Control control is disabled, "1" if it is enabled.
 
Example - Define a tab-control initially disabled
screen section.
...
  03 screen-1-tc-1 Tab-Control
     line 2.8
     column 25.7
     size 34.6 cells 
     lines 28.9 cells 
     enabled 0
     id 10
     bitmap-width 18
     bitmap-handle icon-png
     .