isCOBOL Evolve : User Interface : Controls Reference : SCROLL-BAR : Styles : Notify-Mouse
Notify-Mouse
When this style is set, the Scroll-Bar control fires the following events: MSG-MOUSE-ENTER, MSG-MOUSE-EXIT.
 
Example - Define a horizontal scroll-bar that fires mouse events
screen section.
...
  03 screen-1-sb-2 Scroll-Bar
     line 39.1
     column 12.8
     size 38.4 
     lines 3.8
     id 10
     horizontal
     notify-mouse
     .