Another related system variable is ZOOMWHEEL which can toggles the direction of transparent zoom
operations when you scroll the middle mouse wheel.
Article ID: 1066
Created: April 2, 2016
Last Updated: April 2, 2016
Author: GstarCAD Malaysia
Online URL: https://www.gstarcad.com.my/knowledge/article/how-to-change-zoom-direction-1066.html