The stage just after a System.Web.Services.Protocols.SoapMessage is deserialized from a SOAP message into an object.
During System.Web.Services.Protocols.SoapClientMessage processing, the SoapMessageStage.AfterDeserialize stage occurs after the SOAP message containing the response from an XML Web service method invocation has been deserialized into an object, but prior to the client receiving the deserialized results.
During System.Web.Services.Protocols.SoapServerMessage processing, the SoapMessageStage.AfterDeserialize stage occurs after a network request containing a SOAP message representing an XML Web service method invocation is deserialized into an object, but prior to the method on that object representing the XML Web service method is called.