User defined types in COM server interfaces

Hi folks,
I want to put together a COM server which will rely heavily on user defined types.  Can I pass UDT's between clients and the server or do I have to be 'inventive' with the standard types?

Thanks.

brushheadAsked:
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_ys_Commented:
What platform?
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brushheadAuthor Commented:
Hi,
The platform I am developing on is Visual C++ 6 under Windows XP.
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_ys_Commented:
In that case DCOM 1.2 will be available. And this handles UDT passing for you. Note that embedded pointers require special consideration.

A complete example, with memory allocation hints is provided within my post here:
http://www.experts-exchange.com/Programming/Programming_Languages/Cplusplus/Q_20771439.html
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