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MessageDirection Enumeration

Specifies the direction of the message.

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

public enum MessageDirection

Member nameDescription
Supported by Portable Class LibraryInputThe message is incoming.
Supported by Portable Class LibraryOutputThe message is outgoing.

The direction of a message indicates whether the message is coming into an endpoint or going out from an endpoint. Input is incoming to the server and Output is outgoing from the server. For a basic request/response message pattern, a request is incoming to the server and the response is outgoing from the server. On callbacks from the server to client, however, a request is outgoing from the server and a response is incoming to the server.

Use the MessageDescription(String, MessageDirection) constructor to specify the direction of a message.

Retrieve the direction of a message using the Direction property.

.NET Framework

Supported in: 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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