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MessagePropertyAttribute Class

Represents data that is passed locally with a custom message type but not serialized into a SOAP message.

Namespace:  System.ServiceModel
Assembly:  System.ServiceModel (in System.ServiceModel.dll)

[AttributeUsageAttribute(AttributeTargets.Property|AttributeTargets.Field, Inherited = false)]
public sealed class MessagePropertyAttribute : Attribute

Use the MessagePropertyAttribute attribute to attach data to the custom message type as it passes through the Windows Communication Foundation (WCF) system without serializing the data into a SOAP message.

The following code example demonstrates the use of the MessagePropertyAttribute attribute.

public class CustomMessage 
    private Person internalPerson; 
    private int a = 23; 
    public PersonType Data 
            return internalPerson; 
            this.internalPerson = (Person)value; 


Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0