property ScrollBar.WheelChange as Long
The amount by which the scroll box position changes when the user rolls the mouse wheel.

TypeDescription
Long A Long expression that indicates the amount by which the scroll box position changes when the user rolls the mouse wheel.
By default, the WheelChange property is 1. The WheelChange property indicates the amount by which the scroll box position changes when the user rolls the mouse wheel. The Value property specifies the current scroll position/value.