Hi,

I have the following scenario in Silverlight 4:

I have a notifications service

Snippet

[InheritedExport]
public interface INotificationsService : IObservable<ReceivedNotification>
{
    void IssueNotifications(IEnumerable<ClientIssuedNotification> notifications);
}

and and implementation of this service Snippet

[PartCreationPolicy(CreationPolicy.NonShared)]
public class ClientNotificationService : INotificationsService
{
    [Import]
    IPlugin Plugin { get; set; }
    ...
}

How can I say to MEF that the Plugin property of the ClientNotificationService must be provided by the importing class that imports the INotificationsService.

For example:

Snippet

public class Client
{
    [Export]
    IPlugin Current { get; set; }

    [Import]
    INotificationService NotificationService;
}

How can I say that I want MEF to satisfy the ClientNotificationService.Plugin part with the exported IPlugin by the Client class.

Basically I want the NotificationService, to receive a Unique ID provided by the importing class, whenever it is created and composed to a new class, or if there's and alternative method, like using meta data to do this I'd appreciate any insights. I've been struggling with this for a while.

Thanks