ResolutionExtensionsTryResolveKeyed Method |
Try to retrieve a service from the context.
Namespace:
Autofac
Assembly:
Autofac (in Autofac.dll) Version: 6.0.0+39696a967e8826f7f1ebc8c1ff4523c9dd75abe0
Syntax public static bool TryResolveKeyed(
this IComponentContext context,
Object serviceKey,
Type serviceType,
out Object instance
)
<ExtensionAttribute>
Public Shared Function TryResolveKeyed (
context As IComponentContext,
serviceKey As Object,
serviceType As Type,
<OutAttribute> ByRef instance As Object
) As Boolean
Parameters
- context
- Type: AutofacIComponentContext
The context from which to resolve the service. - serviceKey
- Type: SystemObject
The key of the service to resolve. - serviceType
- Type: SystemType
The type of the service to resolve. - instance
- Type: SystemObject
The resulting component instance providing the service, or null.
Return Value
Type:
Boolean
True if a component providing the service is available.
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