SOS! I can't use COM in my webservices

A

Alex

i write a COM use PB9.
The COM work well in a Windows Application(use in
VS2003.net)
But when i use it in a webservices, the COM can not
work,the "System.NullReferenceException" is happen.

Who can tell me ,How can i use the COM in webservices.
 

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