Great!

Also there are 2 other ways for zooming that can be enabled for Middle Mouse Button drag:

Alt+Ctrl+MMB drag = Zoom for 3DS Max compatibility.
When [View] AltCtrlMMBZoom=y is set in moi.ini .

Shift+MMB drag = Zoom alternate
When [View] ShiftMMBZoom=y is set in moi.ini .

- Michael