If you want to set the thumb button to open object snap menu (same as the functionality of wheel button).
Set the MBUTTONPAN system variable to 0 and in intelli mouse explorer control panel set the large thumb button to none. Then edit the settings for that button and associate it with AutoCAD and in the advance button settings dailog box set the large thumb button to AutoScroll.
Now restart AutoCAD for the setting to take place.
Set the MBUTTONPAN system variable to 0 and in intelli mouse explorer control panel set the large thumb button to none. Then edit the settings for that button and associate it with AutoCAD and in the advance button settings dailog box set the large thumb button to AutoScroll.
Now restart AutoCAD for the setting to take place.