MessageContractAttribute Class
Definition
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Defines a strongly-typed class that corresponds to a SOAP message.
public ref class MessageContractAttribute sealed : Attribute[System.AttributeUsage(System.AttributeTargets.Class | System.AttributeTargets.Struct, AllowMultiple=false)]
public sealed class MessageContractAttribute : Attribute[]
type MessageContractAttribute = class
inherit Attribute Public NotInheritable Class MessageContractAttribute
Inherits Attribute- Inheritance
- Attributes
Examples
The following code example shows the use of the MessageContractAttribute to control the SOAP envelope structure for both the request message and the response message, and the use of both the MessageHeaderAttribute (to create a SOAP header for the response message) and the MessageBodyMemberAttribute (to specify the bodies of both the request and response message). The code example contains an example of each message when sent.
using System;
using System.Collections.Generic;
using System.Runtime.Serialization;
using System.ServiceModel;
using System.ServiceModel.Channels;
namespace Microsoft.WCF.Documentation
{
[ServiceContract(Namespace = "Microsoft.WCF.Documentation")]
interface IMessagingHello
{
[OperationContract(
Action = "http://GreetingMessage/Action",
ReplyAction = "http://HelloResponseMessage/Action"
)]
HelloResponseMessage Hello(HelloGreetingMessage msg);
}
[MessageContract]
public class HelloResponseMessage
{
private string localResponse = String.Empty;
private string extra = String.Empty;
[MessageBodyMember(
Name = "ResponseToGreeting",
Namespace = "http://www.examples.com")]
public string Response
{
get { return localResponse; }
set { localResponse = value; }
}
[MessageHeader(
Name = "OutOfBandData",
Namespace = "http://www.examples.com",
MustUnderstand=true
)]
public string ExtraValues
{
get { return extra; }
set { this.extra = value; }
}
/*
The following is the response message, edited for clarity.
http://HelloResponseMessage/Action
Served by object 13804354.
Service received: Hello.
*/
}
[MessageContract]
public class HelloGreetingMessage
{
private string localGreeting;
[MessageBodyMember(
Name = "Salutations",
Namespace = "http://www.examples.com"
)]
public string Greeting
{
get { return localGreeting; }
set { localGreeting = value; }
}
}
/*
The following is the request message, edited for clarity.
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