isCOBOL Evolve : User Interface : Controls Reference : TAB-CONTROL : Properties : Background-Color
Background-Color
This property allows you to set or retrieve the background color of the Tab-Control control. See "Color management" for further details.
The Allow-Container style must be set; both the tab area and tab labels are colored.
 
Example - Define a tab control with background and foreground color
...
screen section.
...
  03 screen-1-tc-1 Tab-Control
     allow-container 
     line 2.8
     column 25.7
     size 34.6 cells 
     lines 28.9 cells 
     background-color 7
     foreground-color 3
     id 10
     bitmap-width 16
     .
...