共用方式為


ServiceProviderServiceExtensions.GetRequiredService Method

Definition

Overloads

GetRequiredService(IServiceProvider, Type)

Get service of type serviceType from the IServiceProvider.

GetRequiredService<T>(IServiceProvider)

Get service of type T from the IServiceProvider.

GetRequiredService(IServiceProvider, Type)

Source:
ServiceProviderServiceExtensions.cs
Source:
ServiceProviderServiceExtensions.cs
Source:
ServiceProviderServiceExtensions.cs

Get service of type serviceType from the IServiceProvider.

public:
[System::Runtime::CompilerServices::Extension]
 static System::Object ^ GetRequiredService(IServiceProvider ^ provider, Type ^ serviceType);
public static object GetRequiredService (this IServiceProvider provider, Type serviceType);
static member GetRequiredService : IServiceProvider * Type -> obj
<Extension()>
Public Function GetRequiredService (provider As IServiceProvider, serviceType As Type) 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.

Returns

A service object of type serviceType.

Exceptions

provider has already been disposed.

There is no service of type serviceType.

Applies to

GetRequiredService<T>(IServiceProvider)

Source:
ServiceProviderServiceExtensions.cs
Source:
ServiceProviderServiceExtensions.cs
Source:
ServiceProviderServiceExtensions.cs

Get service of type T from the IServiceProvider.

public:
generic <typename T>
[System::Runtime::CompilerServices::Extension]
 static T GetRequiredService(IServiceProvider ^ provider);
public static T GetRequiredService<T> (this IServiceProvider provider);
static member GetRequiredService : IServiceProvider -> 'T
<Extension()>
Public Function GetRequiredService(Of T) (provider As IServiceProvider) As T

Type Parameters

T

The type of service object to get.

Parameters

provider
IServiceProvider

The IServiceProvider to retrieve the service object from.

Returns

T

A service object of type T.

Exceptions

provider has already been disposed.

There is no service of type T.

Applies to