>Carlos,
>
>I added a custom property to my lowest level checkbox mlReadOnly (you can't use ReadOnly because it terribly confused VFP) it defaults to .F. the When method is:
>
>return ! this.mlReadOnly
>
>>I want allow users to move along the grid but not make changes. So i set grid.readonly to .t.
>>All controls in grid change to readonly except checkboxes in it, cause checkbox doesn't has this property.
>>Must i set the checkbox.enabled to .f. ?
>>Is ther other way to go ?

Thanks David. That's a solution too. I'm asking me why checkbox doesn't has a readonly property. Will do in VFP 6?
Carlos.