Share Email Facebook Twitter LinkedIn MBUTTONPAN (System Variable) 2013-04-10 Product Documentation Intermediate View Original Controls the behavior of the third button or wheel on the pointing device. 0 Supports the action defined in the customization file 1 Supports panning when you hold and drag the button or wheel Related References Commands for Panning and Zooming the View Commands for Customization Commands for Using Pointing Devices Related Concepts About Panning or Zooming the View