>>>May be this will help ..
>>>
>>>Dim MyValue As Boolean
>>>Check1.Value = iif(MyValue = True, 1, 0)
>>
>>In any case... it's poor that a checkbox can't take a boolean value.
>
>This is because the CheckBox is 3-states: vbchecked, vbunchecked, vbgrayed

I'm just used to vfp accepting logical and numeric both.