>>Whats does Single-Threaded and Multi-Threaded mean?
>>
>>
>>Thanks
>
>In VFP (as in VB) it's really Single-Threaded and Single-Thread-Apartment.
>
>Single means that only one call to an object can be handled at a time. IOW, others have to wait for the first to get done.
>
>Apartment means that multiple calls can be handled at once.
>
>A multithreading search on MSDN came up with this (and more)
>
>http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dngeek/html/geekthread.asp

Can COM have a handle for each client. Could a COM relay a message to a
specific client, but not to others?