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MessageDirection Enumeration

Specifies the direction of the message.

Namespace:  System.ServiceModel.Description
Assemblies:   System.ServiceModel.Primitives (in System.ServiceModel.Primitives.dll)
  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: 4.6, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone Silverlight 8.1, Windows Phone Silverlight 8

Portable Class Library

Supported in: Portable Class Library
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