OperationContractAttribute.ReplyAction Property

public:
 property System::String ^ ReplyAction { System::String ^ get(); void set(System::String ^ value); };

public string ReplyAction { get; set; }

member this.ReplyAction : string with get, set

Public Property ReplyAction As String

Property Value

The value of the SOAP action for the reply message.

Exceptions

Examples

The following example is a service that uses the Action and ReplyAction properties to explicitly control the SOAP actions of both the input and output (or reply) messages. It also uses the Name property to declare the name of the operation as exposed in metadata.

using System;
using System.Collections.Generic;
using System.ServiceModel;
using System.ServiceModel.Channels;
using System.Text;

namespace Microsoft.WCF.Documentation
{
 [ServiceContract(Namespace="http://Microsoft.WCF.Documentation")]
 public interface ISampleService{

 [OperationContract(
 Action="http://Microsoft.WCF.Documentation/OperationContractMethod",
 Name="OCAMethod",
 ReplyAction="http://Microsoft.WCF.Documentation/ResponseToOCAMethod"
 )]
 string SampleMethod(string msg);

 [OperationContractAttribute(Action = "*")]
 void UnrecognizedMessageHandler(Message msg);
 }

 class SampleService : ISampleService
 {
 public string SampleMethod(string msg)
 {
 Console.WriteLine("Called with: {0}", msg);
 return "The service greets you: " + msg;
 }

 public void UnrecognizedMessageHandler(Message msg)
 {
 Console.WriteLine("Unrecognized message: " + msg.ToString());
 }
 }
}

Imports System.ServiceModel
Imports System.ServiceModel.Channels
Imports System.Text

Namespace Microsoft.WCF.Documentation
 <ServiceContract(Namespace:="http://Microsoft.WCF.Documentation")> _
 Public Interface ISampleService

 <OperationContract(Action:="http://Microsoft.WCF.Documentation/OperationContractMethod", _
 Name:="OCAMethod", ReplyAction:="http://Microsoft.WCF.Documentation/ResponseToOCAMethod")> _
 Function SampleMethod(ByVal msg As String) As String

 <OperationContractAttribute(Action := "*")> _
 Sub UnrecognizedMessageHandler(ByVal msg As Message)
 End Interface

 Friend Class SampleService
 Implements ISampleService
 Public Function SampleMethod(ByVal msg As String) As String Implements ISampleService.SampleMethod
 Console.WriteLine("Called with: {0}", msg)
 Return "The service greets you: " & msg
 End Function

 Public Sub UnrecognizedMessageHandler(ByVal msg As Message) Implements ISampleService.UnrecognizedMessageHandler
 Console.WriteLine("Unrecognized message: " & msg.ToString())
 End Sub
 End Class
End Namespace

Remarks

In addition to specifying a particular value for the action header of the reply message, you can also specify the string "*" (an asterisk). Specifying an asterisk in the service instructs WCF not to add a reply action to the message, which is useful if you are programming against messages directly. Specifying an asterisk in a client application instructs WCF not to validate the reply action.