ServiceCollectionDescriptorExtensions.TryAddKeyedSingleton Method
Definition
Important
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Overloads
| TryAddKeyedSingleton(IServiceCollection, Type, Object) |
Adds the specified |
| TryAddKeyedSingleton(IServiceCollection, Type, Object, Func<IServiceProvider,Object,Object>) |
Adds the specified |
| TryAddKeyedSingleton(IServiceCollection, Type, Object, Type) |
Adds the specified |
| TryAddKeyedSingleton<TService,TImplementation>(IServiceCollection, Object) |
Adds the specified |
| TryAddKeyedSingleton<TService>(IServiceCollection, Object) |
Adds the specified |
| TryAddKeyedSingleton<TService>(IServiceCollection, Object, Func<IServiceProvider,Object,TService>) |
Adds the specified |
| TryAddKeyedSingleton<TService>(IServiceCollection, Object, TService) |
Adds the specified |
TryAddKeyedSingleton(IServiceCollection, Type, Object)
Adds the specified service as a Singleton service to the collection if the service type hasn't already been registered.
public:
[System::Runtime::CompilerServices::Extension]
static void TryAddKeyedSingleton(Microsoft::Extensions::DependencyInjection::IServiceCollection ^ collection, Type ^ service, System::Object ^ serviceKey);public static void TryAddKeyedSingleton (this Microsoft.Extensions.DependencyInjection.IServiceCollection collection, Type service, object? serviceKey);static member TryAddKeyedSingleton : Microsoft.Extensions.DependencyInjection.IServiceCollection * Type * obj -> unit<Extension()>
Public Sub TryAddKeyedSingleton (collection As IServiceCollection, service As Type, serviceKey As Object)Parameters
- collection
- IServiceCollection
The IServiceCollection.
- service
- Type
The type of the service to register.
- serviceKey
- Object
The service key.
Applies to
TryAddKeyedSingleton(IServiceCollection, Type, Object, Func<IServiceProvider,Object,Object>)
Adds the specified service as a Singleton service using the factory specified in implementationFactory to the collection if the service type hasn't already been registered.
public:
[System::Runtime::CompilerServices::Extension]
static void TryAddKeyedSingleton(Microsoft::Extensions::DependencyInjection::IServiceCollection ^ collection, Type ^ service, System::Object ^ serviceKey, Func<IServiceProvider ^, System::Object ^, System::Object ^> ^ implementationFactory);public static void TryAddKeyedSingleton (this Microsoft.Extensions.DependencyInjection.IServiceCollection collection, Type service, object? serviceKey, Func<IServiceProvider,object?,object> implementationFactory);static member TryAddKeyedSingleton : Microsoft.Extensions.DependencyInjection.IServiceCollection * Type * obj * Func<IServiceProvider, obj, obj> -> unit<Extension()>
Public Sub TryAddKeyedSingleton (collection As IServiceCollection, service As Type, serviceKey As Object, implementationFactory As Func(Of IServiceProvider, Object, Object))Parameters
- collection
- IServiceCollection
The IServiceCollection.
- service
- Type
The type of the service to register.
- serviceKey
- Object
The service key.
- implementationFactory
- Func<IServiceProvider,Object,Object>
The factory that creates the service.
Applies to
TryAddKeyedSingleton(IServiceCollection, Type, Object, Type)
Adds the specified service as a Singleton service with the implementationType implementation to the collection if the service type hasn't already been registered.
public:
[System::Runtime::CompilerServices::Extension]
static void TryAddKeyedSingleton(Microsoft::Extensions::DependencyInjection::IServiceCollection ^ collection, Type ^ service, System::Object ^ serviceKey, Type ^ implementationType);public static void TryAddKeyedSingleton (this Microsoft.Extensions.DependencyInjection.IServiceCollection collection, Type service, object? serviceKey, Type implementationType);static member TryAddKeyedSingleton : Microsoft.Extensions.DependencyInjection.IServiceCollection * Type * obj * Type -> unit<Extension()>
Public Sub TryAddKeyedSingleton (collection As IServiceCollection, service As Type, serviceKey As Object, implementationType As Type)Parameters
- collection
- IServiceCollection
The IServiceCollection.
- service
- Type
The type of the service to register.
- serviceKey
- Object
The service key.
- implementationType
- Type
The implementation type of the service.
Applies to
TryAddKeyedSingleton<TService,TImplementation>(IServiceCollection, Object)
Adds the specified TService as a Singleton service implementation type specified in TImplementation to the collection if the service type hasn't already been registered.
public:
generic <typename TService, typename TImplementation>
where TService : class where TImplementation : class, TService[System::Runtime::CompilerServices::Extension]
static void TryAddKeyedSingleton(Microsoft::Extensions::DependencyInjection::IServiceCollection ^ collection, System::Object ^ serviceKey);public static void TryAddKeyedSingleton<TService,TImplementation> (this Microsoft.Extensions.DependencyInjection.IServiceCollection collection, object? serviceKey) where TService : class where TImplementation : class, TService;static member TryAddKeyedSingleton : Microsoft.Extensions.DependencyInjection.IServiceCollection * obj -> unit (requires 'Service : null)<Extension()>
Public Sub TryAddKeyedSingleton(Of TService As Class, TImplementation As Class) (collection As IServiceCollection, serviceKey As Object)Type Parameters
- TService
The type of the service to add.
- TImplementation
The type of the implementation to use.
Parameters
- collection
- IServiceCollection
The IServiceCollection.
- serviceKey
- Object
The service key.
Applies to
TryAddKeyedSingleton<TService>(IServiceCollection, Object)
Adds the specified TService as a Singleton service to the collection if the service type hasn't already been registered.
public:
generic <typename TService>
where TService : class[System::Runtime::CompilerServices::Extension]
static void TryAddKeyedSingleton(Microsoft::Extensions::DependencyInjection::IServiceCollection ^ collection, System::Object ^ serviceKey);public static void TryAddKeyedSingleton<TService> (this Microsoft.Extensions.DependencyInjection.IServiceCollection collection, object? serviceKey) where TService : class;static member TryAddKeyedSingleton : Microsoft.Extensions.DependencyInjection.IServiceCollection * obj -> unit (requires 'Service : null)<Extension()>
Public Sub TryAddKeyedSingleton(Of TService As Class) (collection As IServiceCollection, serviceKey As Object)Type Parameters
- TService
The type of the service to add.
Parameters
- collection
- IServiceCollection
The IServiceCollection.
- serviceKey
- Object
The service key.
Applies to
TryAddKeyedSingleton<TService>(IServiceCollection, Object, Func<IServiceProvider,Object,TService>)
Adds the specified TService as a Singleton service using the factory specified in implementationFactory to the services if the service type hasn't already been registered.
public:
generic <typename TService>
where TService : class[System::Runtime::CompilerServices::Extension]
static void TryAddKeyedSingleton(Microsoft::Extensions::DependencyInjection::IServiceCollection ^ services, System::Object ^ serviceKey, Func<IServiceProvider ^, System::Object ^, TService> ^ implementationFactory);public static void TryAddKeyedSingleton<TService> (this Microsoft.Extensions.DependencyInjection.IServiceCollection services, object? serviceKey, Func<IServiceProvider,object?,TService> implementationFactory) where TService : class;static member TryAddKeyedSingleton : Microsoft.Extensions.DependencyInjection.IServiceCollection * obj * Func<IServiceProvider, obj, 'Service (requires 'Service : null)> -> unit (requires 'Service : null)<Extension()>
Public Sub TryAddKeyedSingleton(Of TService As Class) (services As IServiceCollection, serviceKey As Object, implementationFactory As Func(Of IServiceProvider, Object, TService))Type Parameters
- TService
The type of the service to add.
Parameters
- services
- IServiceCollection
The IServiceCollection.
- serviceKey
- Object
The service key.
- implementationFactory
- Func<IServiceProvider,Object,TService>
The factory that creates the service.
Applies to
TryAddKeyedSingleton<TService>(IServiceCollection, Object, TService)
Adds the specified TService as a Singleton service with an instance specified in instance to the collection if the service type hasn't already been registered.
public:
generic <typename TService>
where TService : class[System::Runtime::CompilerServices::Extension]
static void TryAddKeyedSingleton(Microsoft::Extensions::DependencyInjection::IServiceCollection ^ collection, System::Object ^ serviceKey, TService instance);public static void TryAddKeyedSingleton<TService> (this Microsoft.Extensions.DependencyInjection.IServiceCollection collection, object? serviceKey, TService instance) where TService : class;static member TryAddKeyedSingleton : Microsoft.Extensions.DependencyInjection.IServiceCollection * obj * 'Service -> unit (requires 'Service : null)<Extension()>
Public Sub TryAddKeyedSingleton(Of TService As Class) (collection As IServiceCollection, serviceKey As Object, instance As TService)Type Parameters
- TService
The type of the service to add.
Parameters
- collection
- IServiceCollection
The IServiceCollection.
- serviceKey
- Object
The service key.
- instance
- TService
The instance of the service to add.
Applies to
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