Bitmap-Rollover
This property identifies the image to be displayed when the mouse pointer is moved over an unchecked Check-Box control. The number corresponds to the position occupied by the image in the bitmap strip.
 
Example - Define a checkbox in screen section and define which bitmap to use when the mouser rolls over it
screen section.
...
  03 screen-1-cb-2 Check-Box
     line 27.0
     column 10.0
     size 116
     lines 31
     id 11
     flat
     title "E-mail results?"
     bitmap-handle my-cb-png
     bitmap-number 1
     bitmap-disabled 3
     bitmap-rollover 5
     bitmap-width 20
     title-position 2
     bitmap-rollover-selected 6
     bitmap-selected 2
     bitmap-disabled-selected 4
     .