>>>Simple.
>>>

llOK = .T.
>>>try 
>>>   use myTable Exclusive
>>>catch to loexception
>>>   llOK = .F.
>>>   messagebox( 'Someone else is using the table!')
>>>endtry

>>
>>OK, that sounds like what I need.... thanks for this.
>
>You have to check for error 1705 specifically otherwise you'll hide any other errors

Thank you for this info, I will do that.