Hi ,

Thank you for using Microsoft Newsgroup Service. Regarding on the issue, I
am
finding proper resource to assist you and we will update as soon as posible.

Regards,

Steven Cheng
Microsoft Online Support

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Hi Chris,

Thank you for using MSDN Newsgroup. I am Luke and I am review this issue
currently. Regarding the issue, you want the ProcessMessage function can be
executed after the SOAP message has been serialized. In fact, the
ProcessMessage of a SOAPExtension will be executed four times in a round:

AfterDeserialize
AfterSerialize
BeforeDeserialize
BeforeSerialize

We can determine the current stage from SoapMessage's Stage property:

Public Overrides Sub ProcessMessage(message As SoapMessage)
       Select Case message.Stage
          Case SoapMessageStage.BeforeSerialize
          Case SoapMessageStage.AfterSerialize
               ' Write the SOAP message out to a file.
               WriteOutput(message)
          Case SoapMessageStage.BeforeDeserialize
               ' Write the SOAP messae out to a file.
               WriteInput(message)
          Case SoapMessageStage.AfterDeserialize
          Case Else
               Throw New Exception("invalid stage")
       End Select
   End Sub

For more information about the order of SOAP Extensions Methods Invoked,
may refer to following article:

Altering the SOAP Message Using SOAP Extensions
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpguide/htm
l/cpconAlteringSOAPMessageUsingSOAPExtensions.asp

How ASP.NET Web Services Work
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnwebsrv/ht
ml/howwebmeth.asp

Hope this help.

Luke
Microsoft Online Support