Giesbert,
I didn't think this through (obviously). Perhaps you could use the WHEN event so that the user couldn't get focus to a cell if it shouldn't be edited. If you return .F. from the WHEN event then the control never gets focus, and you can put as much code as you wish there.

HTH
Barbara

>Hi Barbara,
>
>you are right with the colors, because there are dynamic... properties for color, font etc. .
>But readonly is static, .t. or .f. .
>I have even looked to the dynamicinputmask column property, but there's no mask to prevent any changes.