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ResolutionExtensionsResolveOptional Method (IComponentContext, Type, IEnumerableParameter)

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
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public static Object ResolveOptional(
	this IComponentContext context,
	Type serviceType,
	IEnumerable<Parameter> parameters
)

Parameters

context
Type: AutofacIComponentContext
The context from which to resolve the service.
serviceType
Type: SystemType
The type of the service.
parameters
Type: System.Collections.GenericIEnumerableParameter
Parameters for the service.

Return Value

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

Usage Note

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
See Also