ServiceProviderKeyedServiceExtensions.GetRequiredKeyedService Method

Definition

Namespace:

Microsoft.Extensions.DependencyInjection

Assembly:

Microsoft.Extensions.DependencyInjection.Abstractions.dll

Package:

Microsoft.Extensions.DependencyInjection.Abstractions v9.0.0-preview.3.24172.9

Overloads

GetRequiredKeyedService(IServiceProvider, Type, Object)	Gets a service of type serviceType from the IServiceProvider.
GetRequiredKeyedService<T>(IServiceProvider, Object)	Gets a service of type T from the IServiceProvider.

GetRequiredKeyedService(IServiceProvider, Type, Object)

Source:

ServiceProviderKeyedServiceExtensions.cs

Gets a service of type serviceType from the IServiceProvider.

public:
[System::Runtime::CompilerServices::Extension]
 static System::Object ^ GetRequiredKeyedService(IServiceProvider ^ provider, Type ^ serviceType, System::Object ^ serviceKey);

public static object GetRequiredKeyedService (this IServiceProvider provider, Type serviceType, object? serviceKey);

static member GetRequiredKeyedService : IServiceProvider * Type * obj -> obj

<Extension()>
Public Function GetRequiredKeyedService (provider As IServiceProvider, serviceType As Type, serviceKey As Object) As Object

Parameters

provider

IServiceProvider

The IServiceProvider to retrieve the service object from.

serviceType

Type

An object that specifies the type of service object to get.

serviceKey

Object

An object that specifies the key of service object to get.

Returns

Object

A service object of type serviceType.

Exceptions

InvalidOperationException

There is no service of type serviceType.

GetRequiredKeyedService<T>(IServiceProvider, Object)

Source:

ServiceProviderKeyedServiceExtensions.cs

Gets a service of type T from the IServiceProvider.

public:
generic <typename T>
[System::Runtime::CompilerServices::Extension]
 static T GetRequiredKeyedService(IServiceProvider ^ provider, System::Object ^ serviceKey);

public static T GetRequiredKeyedService<T> (this IServiceProvider provider, object? serviceKey);

static member GetRequiredKeyedService : IServiceProvider * obj -> 'T

<Extension()>
Public Function GetRequiredKeyedService(Of T) (provider As IServiceProvider, serviceKey As Object) As T

Type Parameters

T

The type of service object to get.

Parameters

provider

IServiceProvider

The IServiceProvider to retrieve the service object from.

serviceKey

Object

An object that specifies the key of service object to get.

Returns

T

A service object of type T.

Exceptions

InvalidOperationException

There is no service of type T.