ResolutionExtensionsResolveOptionalService Method (IComponentContext, Service)

Retrieve a service from the context, or null if the service is not registered.

Namespace: Autofac
Assembly: Autofac (in Autofac.dll) Version: 6.0.0+39696a967e8826f7f1ebc8c1ff4523c9dd75abe0

Syntax

public static Object ResolveOptionalService(
	this IComponentContext context,
	Service service
)

<ExtensionAttribute>
Public Shared Function ResolveOptionalService ( 
	context As IComponentContext,
	service As Service
) As Object

context: Type: AutofacIComponentContext
The context from which to resolve the service.
service: Type: Autofac.CoreService
The service.

Type: Object
The component instance that provides the service, or null.

In Visual Basic and C#, you can call this method as an instance method on any object of type IComponentContext. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).

Exceptions

Exception	Condition
DependencyResolutionException

ResolutionExtensionsAddLanguageSpecificTextSet("LSTA6D2EBAE_0?cpp=::|nu=.");ResolveOptionalService Method (IComponentContext, Service)