>>>>>Has anyone seen this?
>>>>>
>>>>>The following line occasionally returns error 11: Invalid Argument type mismatch.
>>>>>The line is:
>>>>>
>>>>>

nMousexPos = MCOL()

>>>>>
>>>>>I'm stumped.
>>>>>
>>>>>Walter,
>>>>
>>>>

>>>>MCOL(0) ?
>>>>

>>>
>>>What do you mean by that? I use MCOL() and it occasionally gives me an error.
>>>I now have trapped it in a TRY CATCH construct to prevent this from happening, but it sure don't looks healthy.
>>>
>>>Walter,
>>
>>uses MCOL(0) for active form , MCOL() is not reliable.
>
>MCOL(0) is not supported under VFP8SP1 and will produce an error 11 everytime.
>
>Walter,

of course.

vfpt add the 0 parameter, in VFP9, because MCOL() can fail.