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MefInjection<TService,TInterface> Class

Definition

Extenders using the VisualStudio.Extensibility model to develop in-process extension can use MefInjection<TService,TInterface> to retrieve MEF services through .NET dependency injection.

public class MefInjection<TService,TInterface> where TService : class
type MefInjection<'Service, 'Interface (requires 'Service : null)> = class
Public Class MefInjection(Of TService, TInterface)

Type Parameters

TService

The type that defines the service. TService is passed to GetService<T>() when retrieving the service.

TInterface

The expected type of the retrieved service. The value returned by GetService<T>() is cast to TInterface.

Inheritance
MefInjection<TService,TInterface>
Derived

Remarks

Extensions should retrieve instances of this type through dependency injection. This class should be used only when exactly one instance of TService exists in the composition container.

Constructors

MefInjection<TService,TInterface>(AsyncServiceProviderInjection<SComponentModel,IComponentModel>)

This constructor is for internal use only. Creates an instance of MefInjection<TService,TInterface>.

Methods

GetServiceAsync()

Asynchronously returns the retrieved service.

Applies to