isCOBOL Evolve : User Interface : Controls Reference : TAB-CONTROL : Properties : Background-Bitmap-Handle
Background-Bitmap-Handle
This property identifies the bitmap handle to an image that will be used instead of Background-Color. To obtain a bitmap handle use the W$BITMAP library routine with the WBITMAP-LOAD op-code.
 
Example - Define a tab control with background image
working-storage section.
...
77 watermark-jpg pic s9(9) comp-4.
...
screen section.
...
  03 screen-1-tc-1 Tab-Control
     tab-flat
     line 2.8
     column 25.7
     size 34.6 cells 
     lines 28.9 cells 
     background-bitmap-handle watermark-jpg
     background-bitmap-scale 0
     id 10
     .