Forget it I found how to do this. I put a nodefault in the MouseWheel event of the checkbox.

>Hi,
>
>I'd like to intercept mousewheel in VFP7, because when I have a checkbox in a grid, and user scroll with mouswheel, when the arrow is on an active check box (for exemple the one he just click) the checkbox's value change.
>
>There is no Scroll method on Checkbox so I don't know how to intercept this mousewheel.... and of course, the user should be able to use mousewheel to scroll the grid containing the checkbox.
>
>Thanks a lot