System.ServiceModel 4.0.0.0 System.Collections.ObjectModel.Collection<System.ServiceModel.Description.MessageDescription> System.ServiceModel.Description.MessageDescription A is used to describe contracts and their associated operations. Each contract operation has a corresponding that describes aspects of the operation, such as whether the operation is one-way or request/reply. Each in turn describes the messages that make up the operation using a collection of .

Provides a collection that is used to store descriptions of the messages that make up an operation that belongs to a contract.

Method 4.0.0.0 System.ServiceModel.Description.MessageDescription If you need to find all of the objects in the collection that match the specified , use the method instead.

Finds and returns the first message description in a collection for a message with a specified action.

The first from the collection whose message has the specified and null if no matching is found. The action of the message being found. Method 4.0.0.0 System.Collections.ObjectModel.Collection<System.ServiceModel.Description.MessageDescription> If you need to find the first instance of the in the collection that match the specified , use the method instead.

Finds and returns all of the message descriptions in a collection whose messages have a specified action.

A that contains the collection message descriptions from the current collection whose messages have the specified . If no matching objects are found, an empty collection is returned. The action of the messages being found.