>This works pretty good, but when I scroll down and then back up, a row in the grid actually got highlighted. I'm still tracking why.
>
>Any ideas?

Okay, I took a minute to test it. What you want, besides Highlight = .F. in the grid, is this:

In grid When, put

thisform.lockscreen = .T.

In the control you're moving to from the Scrolled event, put

thisform.lockscreen = .F.

in the Gotfocus.

It will be very smooth with these additions...