Yes, it's fast. You are basically sending a string of data across.

>>Don't forget to mention that you can pass the data back from the component to the calling application. Example: If you want to return a cursor from a DLL, you have to convert it to an ADO recordset first.
>>
>>>>Did I hear you correctly in that the data open by a
>>>>DLL is not availble outside the DLL?
>>>
>>>Yep. This would sort of defeat the purpose of COM objects: cross platform compatibility. The information and data accessed and created by a COM object are available through it's published interface only. That is, it's propreties and methods.
>
>Or XML. Probably faster. Anyone tested this?