>Jim,
>
>There are a few native properties that falsely report like this.. I ran into the issue when I created the ObjRef tool that's on my website. You might have a look at that code to see some of the tricks I had to resort to.

Amazing...

?_screen.top[1]

...just ignores the brackets and reports the .top; it even allows

?_screen.top[132000]

but then it reports "Invalid subscript reference." on

?_screen.top[-132000]