NamedServiceProviderExtensions.GetRequiredService<TService> Method

Reference

Definition

Namespace:: Microsoft.Extensions.DependencyInjection

Assembly:: Microsoft.Extensions.DependencyInjection.NamedService.dll

Package:: Microsoft.Extensions.DependencyInjection.NamedService v8.0.0-preview.7.23407.5

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Get service of type TService from the INamedServiceProvider<TService>.

public:
generic <typename TService>
 where TService : class[System::Runtime::CompilerServices::Extension]
 static TService GetRequiredService(Microsoft::Extensions::DependencyInjection::INamedServiceProvider<TService> ^ provider, System::String ^ name);

public static TService GetRequiredService<TService>(this Microsoft.Extensions.DependencyInjection.INamedServiceProvider<TService> provider, string name) where TService : class;

static member GetRequiredService : Microsoft.Extensions.DependencyInjection.INamedServiceProvider<'Service (requires 'Service : null)> * string -> 'Service (requires 'Service : null)

<Extension()>
Public Function GetRequiredService(Of TService As Class) (provider As INamedServiceProvider(Of TService), name As String) As TService

Type Parameters

TService

The type of service object to get.

Parameters

provider: INamedServiceProvider<TService>

The INamedServiceProvider<TService> to retrieve the service object from.

name: String

The name of the service.

Returns

TService

A service object of type TService.

Exceptions

InvalidOperationException

There is no service of type TService with the name.

Remarks

This method returns the latest TService registered under the name.

Applies to

次の方法で共有