>>>>Thanks Craig, so, we can not use them from VFP?
>>>
>>>Yes, you can. But to get multi-threading, you have to run them under MTS.
>>
>>That it what I meant.
>>It is MTS only? What about calling them from VB or VC?
>
>VFP DLLs are COM so you can call them from any language or application that supports COM servers. This includes VB, VC++, Delphi, Excel, Word, and a number of others.

Thanks again Craig, but I what I was asking is about the multi-threading capabilities.
If I call a VFP multi-threading dll from any application that supports COM servers (except VFP itself), do they benefit of its multi-threading capabilities? or it is only possible running it under MTS?
TIA