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RegistrationExtensions.AsWebApiActionFilterWhere Method (IRegistrationBuilder<Object, IConcreteActivatorData, SingleRegistrationStyle>, Func<ILifetimeScope, HttpActionDescriptor, Boolean>, FilterScope)

Sets the provided registration to act as an IAutofacActionFilter or IAutofacContinuationActionFilter, based on a predicate that filters which actions it is applied to.

Namespace:  Autofac.Integration.WebApi
Assembly:  Autofac.Integration.WebApi (in Autofac.Integration.WebApi.dll) Version: 6.0.0+03bf347ff3a78c2557675254b1a417eef4b464ec
Syntax
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public static IRegistrationBuilder<Object, IConcreteActivatorData, SingleRegistrationStyle> AsWebApiActionFilterWhere(
	this IRegistrationBuilder<Object, IConcreteActivatorData, SingleRegistrationStyle> registration,
	Func<ILifetimeScope, HttpActionDescriptor, bool> predicate,
	FilterScope filterScope = FilterScope.Action
)

Parameters

registration
Type: Autofac.Builder.IRegistrationBuilder<Object, IConcreteActivatorData, SingleRegistrationStyle>
The registration.
predicate
Type: System.Func<ILifetimeScope, HttpActionDescriptor, Boolean>
A predicate that should return true if this filter should be applied to the specified action.
filterScope (Optional)
Type: FilterScope
The scope to apply the filter at (only Controller and Action supported).

Return Value

Type: IRegistrationBuilder<Object, IConcreteActivatorData, SingleRegistrationStyle>
A registration builder allowing further configuration of the component.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IRegistrationBuilder<Object, IConcreteActivatorData, SingleRegistrationStyle>. 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).
See Also