ServiceCollectionDescriptorExtensions.TryAddSingleton Method
Definition
Important
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Overloads
| TryAddSingleton(IServiceCollection, Type, Type) |
Adds the specified |
| TryAddSingleton(IServiceCollection, Type, Func<IServiceProvider,Object>) |
Adds the specified |
| TryAddSingleton(IServiceCollection, Type) |
Adds the specified |
| TryAddSingleton<TService,TImplementation>(IServiceCollection) |
Adds the specified |
| TryAddSingleton<TService>(IServiceCollection) |
Adds the specified |
| TryAddSingleton<TService>(IServiceCollection, Func<IServiceProvider,TService>) |
Adds the specified |
| TryAddSingleton<TService>(IServiceCollection, TService) |
Adds the specified |
TryAddSingleton(IServiceCollection, Type, 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 TryAddSingleton(Microsoft::Extensions::DependencyInjection::IServiceCollection ^ collection, Type ^ service, Type ^ implementationType);public static void TryAddSingleton (this Microsoft.Extensions.DependencyInjection.IServiceCollection collection, Type service, Type implementationType);static member TryAddSingleton : Microsoft.Extensions.DependencyInjection.IServiceCollection * Type * Type -> unit<Extension()>
Public Sub TryAddSingleton (collection As IServiceCollection, service As Type, implementationType As Type)Parameters
- collection
- IServiceCollection
The IServiceCollection.
- service
- Type
The type of the service to register.
- implementationType
- Type
The implementation type of the service.
Applies to
TryAddSingleton(IServiceCollection, Type, Func<IServiceProvider,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 TryAddSingleton(Microsoft::Extensions::DependencyInjection::IServiceCollection ^ collection, Type ^ service, Func<IServiceProvider ^, System::Object ^> ^ implementationFactory);public static void TryAddSingleton (this Microsoft.Extensions.DependencyInjection.IServiceCollection collection, Type service, Func<IServiceProvider,object> implementationFactory);static member TryAddSingleton : Microsoft.Extensions.DependencyInjection.IServiceCollection * Type * Func<IServiceProvider, obj> -> unit<Extension()>
Public Sub TryAddSingleton (collection As IServiceCollection, service As Type, implementationFactory As Func(Of IServiceProvider, Object))Parameters
- collection
- IServiceCollection
The IServiceCollection.
- service
- Type
The type of the service to register.
- implementationFactory
- Func<IServiceProvider,Object>
The factory that creates the service.
Applies to
TryAddSingleton(IServiceCollection, Type)
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 TryAddSingleton(Microsoft::Extensions::DependencyInjection::IServiceCollection ^ collection, Type ^ service);public static void TryAddSingleton (this Microsoft.Extensions.DependencyInjection.IServiceCollection collection, Type service);static member TryAddSingleton : Microsoft.Extensions.DependencyInjection.IServiceCollection * Type -> unit<Extension()>
Public Sub TryAddSingleton (collection As IServiceCollection, service As Type)Parameters
- collection
- IServiceCollection
The IServiceCollection.
- service
- Type
The type of the service to register.
Applies to
TryAddSingleton<TService,TImplementation>(IServiceCollection)
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 TryAddSingleton(Microsoft::Extensions::DependencyInjection::IServiceCollection ^ collection);public static void TryAddSingleton<TService,TImplementation> (this Microsoft.Extensions.DependencyInjection.IServiceCollection collection) where TService : class where TImplementation : class, TService;static member TryAddSingleton : Microsoft.Extensions.DependencyInjection.IServiceCollection -> unit (requires 'Service : null)<Extension()>
Public Sub TryAddSingleton(Of TService As Class, TImplementation As Class) (collection As IServiceCollection)Type Parameters
- TService
The type of the service to add.
- TImplementation
The type of the implementation to use.
Parameters
- collection
- IServiceCollection
The IServiceCollection.
Applies to
TryAddSingleton<TService>(IServiceCollection)
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 TryAddSingleton(Microsoft::Extensions::DependencyInjection::IServiceCollection ^ collection);public static void TryAddSingleton<TService> (this Microsoft.Extensions.DependencyInjection.IServiceCollection collection) where TService : class;static member TryAddSingleton : Microsoft.Extensions.DependencyInjection.IServiceCollection -> unit (requires 'Service : null)<Extension()>
Public Sub TryAddSingleton(Of TService As Class) (collection As IServiceCollection)Type Parameters
- TService
The type of the service to add.
Parameters
- collection
- IServiceCollection
The IServiceCollection.
Applies to
TryAddSingleton<TService>(IServiceCollection, Func<IServiceProvider,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 TryAddSingleton(Microsoft::Extensions::DependencyInjection::IServiceCollection ^ services, Func<IServiceProvider ^, TService> ^ implementationFactory);public static void TryAddSingleton<TService> (this Microsoft.Extensions.DependencyInjection.IServiceCollection services, Func<IServiceProvider,TService> implementationFactory) where TService : class;static member TryAddSingleton : Microsoft.Extensions.DependencyInjection.IServiceCollection * Func<IServiceProvider, 'Service (requires 'Service : null)> -> unit (requires 'Service : null)<Extension()>
Public Sub TryAddSingleton(Of TService As Class) (services As IServiceCollection, implementationFactory As Func(Of IServiceProvider, TService))Type Parameters
- TService
The type of the service to add.
Parameters
- services
- IServiceCollection
The IServiceCollection.
- implementationFactory
- Func<IServiceProvider,TService>
The factory that creates the service.
Applies to
TryAddSingleton<TService>(IServiceCollection, 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 TryAddSingleton(Microsoft::Extensions::DependencyInjection::IServiceCollection ^ collection, TService instance);public static void TryAddSingleton<TService> (this Microsoft.Extensions.DependencyInjection.IServiceCollection collection, TService instance) where TService : class;static member TryAddSingleton : Microsoft.Extensions.DependencyInjection.IServiceCollection * 'Service -> unit (requires 'Service : null)<Extension()>
Public Sub TryAddSingleton(Of TService As Class) (collection As IServiceCollection, instance As TService)Type Parameters
- TService
The type of the service to add.
Parameters
- collection
- IServiceCollection
The IServiceCollection.
- instance
- TService
The instance of the service to add.
