MessageDirection Enumeration

MessageDirection Enumeration

[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]

Specifies the direction of the message.

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

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Member nameDescription
InputThe message is incoming.

This is from the perspective of the server, so an incoming message is sent by a client.

OutputThe message is outgoing.

This is from the perspective of the server, so an outgoing message is received by a client.

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.

Windows Phone OS

Supported in: 8.1, 8.0, 7.1, 7.0

Windows Phone

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