public class MyCustomMessage : Message{private readonly Message message;public MyCustomMessage(Message message){this.message = message;}public override MessageHeaders Headers{get { return this.message.Headers; }}public override MessageProperties Properties{get { return this.message.Properties; }}public override MessageVersion Version{get { return this.message.Version; }}protected override void OnWriteStartBody(XmlDictionaryWriter writer){writer.WriteStartElement("soapenv", "Body", null);}protected override void OnWriteBodyContents(XmlDictionaryWriter writer){this.message.WriteBodyContents(writer);}protected override void OnWriteStartEnvelope(XmlDictionaryWriter writer){writer.WriteStartElement("soapenv", "Envelope", @"http://schemas.xmlsoap.org/soap/envelope/");writer.WriteAttributeString("xmlns", "ws", null, @"此处为自定义的命名空间");}}

    public class MyCustomMessageFormatter : IClientMessageFormatter{IClientMessageFormatter formatter;public MyCustomMessageFormatter(IClientMessageFormatter formatter){this.formatter = formatter;}public object DeserializeReply(Message message, object[] parameters){return this.formatter.DeserializeReply(message, parameters);}public Message SerializeRequest(MessageVersion messageVersion, object[] parameters){var message = this.formatter.SerializeRequest(messageVersion, parameters);return new MyCustomMessage(message);}}

[AttributeUsage(AttributeTargets.Method)]public class MobilityProviderFormatMessageAttribute : Attribute, IOperationBehavior{public void AddBindingParameters(OperationDescription operationDescription, BindingParameterCollection bindingParameters) { }public void ApplyClientBehavior(OperationDescription operationDescription, ClientOperation clientOperation) {var serializerBehavior = operationDescription.Behaviors.Find<DataContractSerializerOperationBehavior>();if (clientOperation.Formatter == null){((IOperationBehavior)serializerBehavior).ApplyClientBehavior(operationDescription, clientOperation);}IClientMessageFormatter innerDispatchFormatter = clientOperation.Formatter;clientOperation.Formatter = new MyCustomMessageFormatter(innerDispatchFormatter);}public void ApplyDispatchBehavior(OperationDescription operationDescription, DispatchOperation dispatchOperation){}public void Validate(OperationDescription operationDescription) { }}

    static void Main(string[] args){WMS.ERPWSService2Client client = new WMS.ERPWSService2Client();foreach (var operation in client.ChannelFactory.Endpoint.Contract.Operations){operation.Behaviors.Add(new MobilityProviderFormatMessageAttribute());}                }