>Is there a way to select an object and do a "Move to Top" or "Move to Bottom" during runtime?
>I often use a transparent box (shape) to restrict access to objects, but sometimes I need one or two objects to be on top of the box and then below it again during program execution.

There're two ways to handle that:
- use ZOrder() method as you asked
- change property Visible=.F. for object you don't want to be on top anymore