In WCF, how can I modify operation results before the serialization process?

I want to modify all of the operation results before the serialization for security purposes. I have some options:

• I can write my ow开发者_StackOverflow社区n serializer
• I can write a parameter inspector behavior

I don't want to process raw message, I want to use reflection. Are there any alternative ways?

Thank you.

• Write a wrapper method that wraps around the results of this processor method
• Insert a custom HTTP or SOAP header in the outgoing message, and watch out for the header in the message encoder, error handler, or message inspector