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IDispatchOperationSelector Interface

Defines the contract that associates incoming messages with a local operation to customize service execution behavior.

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

public interface IDispatchOperationSelector

The IDispatchOperationSelector type exposes the following members.

  NameDescription
Public methodSelectOperationAssociates a local operation with the incoming method.
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Implement and insert a custom operation selector to customize the selection of the operation to which an incoming message is dispatched in a service application. Assign the IDispatchOperationSelector object to the OperationSelector property to insert the custom selector.

 
public class QueryStringDispatcherBehavior : IDispatchOperationSelector
{
//Define the mapping from the Actions of the message to the operations.
NameValueCollection actionMap; { … }

//Implement the SelectOperation method.
public string SelectOperation( ref Message message )
        {
            Uri uri = new Uri(message.Headers.Action);
            string query = uri.Query;
     
            string methodName = actionMap[message.Headers.Action.ToString()];

            return methodName;
        }
}

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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