ServiceCollectionServiceExtensions.AddSingleton Method

Definition

Namespace:

Microsoft.Extensions.DependencyInjection

Assembly:

Microsoft.Extensions.DependencyInjection.Abstractions.dll

Package:

Microsoft.Extensions.DependencyInjection.Abstractions v9.0.0

Overloads

AddSingleton(IServiceCollection, Type, Object)	Adds a singleton service of the type specified in serviceType with an instance specified in implementationInstance to the specified IServiceCollection.
AddSingleton(IServiceCollection, Type, Type)	Adds a singleton service of the type specified in serviceType with an implementation of the type specified in implementationType to the specified IServiceCollection.
AddSingleton(IServiceCollection, Type)	Adds a singleton service of the type specified in serviceType to the specified IServiceCollection.
AddSingleton(IServiceCollection, Type, Func<IServiceProvider,Object>)	Adds a singleton service of the type specified in serviceType with a factory specified in implementationFactory to the specified IServiceCollection.
AddSingleton<TService,TImplementation>(IServiceCollection)	Adds a singleton service of the type specified in TService with an implementation type specified in TImplementation to the specified IServiceCollection.
AddSingleton<TService,TImplementation>(IServiceCollection, Func<IServiceProvider,TImplementation>)	Adds a singleton service of the type specified in TService with an implementation type specified in TImplementation using the factory specified in implementationFactory to the specified IServiceCollection.
AddSingleton<TService>(IServiceCollection)	Adds a singleton service of the type specified in TService to the specified IServiceCollection.
AddSingleton<TService>(IServiceCollection, Func<IServiceProvider,TService>)	Adds a singleton service of the type specified in TService with a factory specified in implementationFactory to the specified IServiceCollection.
AddSingleton<TService>(IServiceCollection, TService)	Adds a singleton service of the type specified in TService with an instance specified in implementationInstance to the specified IServiceCollection.

AddSingleton(IServiceCollection, Type, Object)

Source:

ServiceCollectionServiceExtensions.cs

Adds a singleton service of the type specified in serviceType with an instance specified in implementationInstance to the specified IServiceCollection.

public:
[System::Runtime::CompilerServices::Extension]
 static Microsoft::Extensions::DependencyInjection::IServiceCollection ^ AddSingleton(Microsoft::Extensions::DependencyInjection::IServiceCollection ^ services, Type ^ serviceType, System::Object ^ implementationInstance);

public static Microsoft.Extensions.DependencyInjection.IServiceCollection AddSingleton (this Microsoft.Extensions.DependencyInjection.IServiceCollection services, Type serviceType, object implementationInstance);

static member AddSingleton : Microsoft.Extensions.DependencyInjection.IServiceCollection * Type * obj -> Microsoft.Extensions.DependencyInjection.IServiceCollection

<Extension()>
Public Function AddSingleton (services As IServiceCollection, serviceType As Type, implementationInstance As Object) As IServiceCollection

Parameters

services

IServiceCollection

The IServiceCollection to add the service to.

serviceType

Type

The type of the service to register.

implementationInstance

Object

The instance of the service.

Returns

IServiceCollection

A reference to this instance after the operation has completed.

See also

• Singleton

AddSingleton(IServiceCollection, Type, Type)

Source:

ServiceCollectionServiceExtensions.cs

Adds a singleton service of the type specified in serviceType with an implementation of the type specified in implementationType to the specified IServiceCollection.

public:
[System::Runtime::CompilerServices::Extension]
 static Microsoft::Extensions::DependencyInjection::IServiceCollection ^ AddSingleton(Microsoft::Extensions::DependencyInjection::IServiceCollection ^ services, Type ^ serviceType, Type ^ implementationType);

public static Microsoft.Extensions.DependencyInjection.IServiceCollection AddSingleton (this Microsoft.Extensions.DependencyInjection.IServiceCollection services, Type serviceType, Type implementationType);

static member AddSingleton : Microsoft.Extensions.DependencyInjection.IServiceCollection * Type * Type -> Microsoft.Extensions.DependencyInjection.IServiceCollection

<Extension()>
Public Function AddSingleton (services As IServiceCollection, serviceType As Type, implementationType As Type) As IServiceCollection

Parameters

services

IServiceCollection

The IServiceCollection to add the service to.

serviceType

Type

The type of the service to register.

implementationType

Type

The implementation type of the service.

Returns

IServiceCollection

A reference to this instance after the operation has completed.

See also

• Singleton

AddSingleton(IServiceCollection, Type)

Source:

ServiceCollectionServiceExtensions.cs

Adds a singleton service of the type specified in serviceType to the specified IServiceCollection.

public:
[System::Runtime::CompilerServices::Extension]
 static Microsoft::Extensions::DependencyInjection::IServiceCollection ^ AddSingleton(Microsoft::Extensions::DependencyInjection::IServiceCollection ^ services, Type ^ serviceType);

public static Microsoft.Extensions.DependencyInjection.IServiceCollection AddSingleton (this Microsoft.Extensions.DependencyInjection.IServiceCollection services, Type serviceType);

static member AddSingleton : Microsoft.Extensions.DependencyInjection.IServiceCollection * Type -> Microsoft.Extensions.DependencyInjection.IServiceCollection

<Extension()>
Public Function AddSingleton (services As IServiceCollection, serviceType As Type) As IServiceCollection

Parameters

services

IServiceCollection

The IServiceCollection to add the service to.

serviceType

Type

The type of the service to register and the implementation to use.

Returns

IServiceCollection

A reference to this instance after the operation has completed.

See also

• Singleton

AddSingleton(IServiceCollection, Type, Func<IServiceProvider,Object>)

Source:

ServiceCollectionServiceExtensions.cs

Adds a singleton service of the type specified in serviceType with a factory specified in implementationFactory to the specified IServiceCollection.

public:
[System::Runtime::CompilerServices::Extension]
 static Microsoft::Extensions::DependencyInjection::IServiceCollection ^ AddSingleton(Microsoft::Extensions::DependencyInjection::IServiceCollection ^ services, Type ^ serviceType, Func<IServiceProvider ^, System::Object ^> ^ implementationFactory);

public static Microsoft.Extensions.DependencyInjection.IServiceCollection AddSingleton (this Microsoft.Extensions.DependencyInjection.IServiceCollection services, Type serviceType, Func<IServiceProvider,object> implementationFactory);

static member AddSingleton : Microsoft.Extensions.DependencyInjection.IServiceCollection * Type * Func<IServiceProvider, obj> -> Microsoft.Extensions.DependencyInjection.IServiceCollection

<Extension()>
Public Function AddSingleton (services As IServiceCollection, serviceType As Type, implementationFactory As Func(Of IServiceProvider, Object)) As IServiceCollection

Parameters

services

IServiceCollection

The IServiceCollection to add the service to.

serviceType

Type

The type of the service to register.

implementationFactory

Func<IServiceProvider,Object>

The factory that creates the service.

Returns

IServiceCollection

A reference to this instance after the operation has completed.

See also

• Singleton

AddSingleton<TService,TImplementation>(IServiceCollection)

Source:

ServiceCollectionServiceExtensions.cs

Adds a singleton service of the type specified in TService with an implementation type specified in TImplementation to the specified IServiceCollection.

public:
generic <typename TService, typename TImplementation>
 where TService : class where TImplementation : class, TService[System::Runtime::CompilerServices::Extension]
 static Microsoft::Extensions::DependencyInjection::IServiceCollection ^ AddSingleton(Microsoft::Extensions::DependencyInjection::IServiceCollection ^ services);

public static Microsoft.Extensions.DependencyInjection.IServiceCollection AddSingleton<TService,TImplementation> (this Microsoft.Extensions.DependencyInjection.IServiceCollection services) where TService : class where TImplementation : class, TService;

static member AddSingleton : Microsoft.Extensions.DependencyInjection.IServiceCollection -> Microsoft.Extensions.DependencyInjection.IServiceCollection (requires 'Service : null)

<Extension()>
Public Function AddSingleton(Of TService As Class, TImplementation As Class) (services As IServiceCollection) As IServiceCollection

Type Parameters

TService

The type of the service to add.

TImplementation

The type of the implementation to use.

Parameters

services

IServiceCollection

The IServiceCollection to add the service to.

Returns

IServiceCollection

A reference to this instance after the operation has completed.

See also

• Singleton

AddSingleton<TService,TImplementation>(IServiceCollection, Func<IServiceProvider,TImplementation>)

Source:

ServiceCollectionServiceExtensions.cs

Adds a singleton service of the type specified in TService with an implementation type specified in TImplementation using the factory specified in implementationFactory to the specified IServiceCollection.

public:
generic <typename TService, typename TImplementation>
 where TService : class where TImplementation : class, TService[System::Runtime::CompilerServices::Extension]
 static Microsoft::Extensions::DependencyInjection::IServiceCollection ^ AddSingleton(Microsoft::Extensions::DependencyInjection::IServiceCollection ^ services, Func<IServiceProvider ^, TImplementation> ^ implementationFactory);

public static Microsoft.Extensions.DependencyInjection.IServiceCollection AddSingleton<TService,TImplementation> (this Microsoft.Extensions.DependencyInjection.IServiceCollection services, Func<IServiceProvider,TImplementation> implementationFactory) where TService : class where TImplementation : class, TService;

static member AddSingleton : Microsoft.Extensions.DependencyInjection.IServiceCollection * Func<IServiceProvider, #'Service> -> Microsoft.Extensions.DependencyInjection.IServiceCollection (requires 'Service : null)

<Extension()>
Public Function AddSingleton(Of TService As Class, TImplementation As Class) (services As IServiceCollection, implementationFactory As Func(Of IServiceProvider, TImplementation)) As IServiceCollection

Type Parameters

TService

The type of the service to add.

TImplementation

The type of the implementation to use.

Parameters

services

IServiceCollection

The IServiceCollection to add the service to.

implementationFactory

Func<IServiceProvider,TImplementation>

The factory that creates the service.

Returns

IServiceCollection

A reference to this instance after the operation has completed.

See also

• Singleton

AddSingleton<TService>(IServiceCollection)

Source:

ServiceCollectionServiceExtensions.cs

Adds a singleton service of the type specified in TService to the specified IServiceCollection.

public:
generic <typename TService>
 where TService : class[System::Runtime::CompilerServices::Extension]
 static Microsoft::Extensions::DependencyInjection::IServiceCollection ^ AddSingleton(Microsoft::Extensions::DependencyInjection::IServiceCollection ^ services);

public static Microsoft.Extensions.DependencyInjection.IServiceCollection AddSingleton<TService> (this Microsoft.Extensions.DependencyInjection.IServiceCollection services) where TService : class;

static member AddSingleton : Microsoft.Extensions.DependencyInjection.IServiceCollection -> Microsoft.Extensions.DependencyInjection.IServiceCollection (requires 'Service : null)

<Extension()>
Public Function AddSingleton(Of TService As Class) (services As IServiceCollection) As IServiceCollection

Type Parameters

TService

The type of the service to add.

Parameters

services

IServiceCollection

The IServiceCollection to add the service to.

Returns

IServiceCollection

A reference to this instance after the operation has completed.

See also

• Singleton

AddSingleton<TService>(IServiceCollection, Func<IServiceProvider,TService>)

Source:

ServiceCollectionServiceExtensions.cs

Adds a singleton service of the type specified in TService with a factory specified in implementationFactory to the specified IServiceCollection.

public:
generic <typename TService>
 where TService : class[System::Runtime::CompilerServices::Extension]
 static Microsoft::Extensions::DependencyInjection::IServiceCollection ^ AddSingleton(Microsoft::Extensions::DependencyInjection::IServiceCollection ^ services, Func<IServiceProvider ^, TService> ^ implementationFactory);

public static Microsoft.Extensions.DependencyInjection.IServiceCollection AddSingleton<TService> (this Microsoft.Extensions.DependencyInjection.IServiceCollection services, Func<IServiceProvider,TService> implementationFactory) where TService : class;

static member AddSingleton : Microsoft.Extensions.DependencyInjection.IServiceCollection * Func<IServiceProvider, 'Service (requires 'Service : null)> -> Microsoft.Extensions.DependencyInjection.IServiceCollection (requires 'Service : null)

<Extension()>
Public Function AddSingleton(Of TService As Class) (services As IServiceCollection, implementationFactory As Func(Of IServiceProvider, TService)) As IServiceCollection

Type Parameters

TService

The type of the service to add.

Parameters

services

IServiceCollection

The IServiceCollection to add the service to.

implementationFactory

Func<IServiceProvider,TService>

The factory that creates the service.

Returns

IServiceCollection

A reference to this instance after the operation has completed.

See also

• Singleton

AddSingleton<TService>(IServiceCollection, TService)

Source:

ServiceCollectionServiceExtensions.cs

Adds a singleton service of the type specified in TService with an instance specified in implementationInstance to the specified IServiceCollection.

public:
generic <typename TService>
 where TService : class[System::Runtime::CompilerServices::Extension]
 static Microsoft::Extensions::DependencyInjection::IServiceCollection ^ AddSingleton(Microsoft::Extensions::DependencyInjection::IServiceCollection ^ services, TService implementationInstance);

public static Microsoft.Extensions.DependencyInjection.IServiceCollection AddSingleton<TService> (this Microsoft.Extensions.DependencyInjection.IServiceCollection services, TService implementationInstance) where TService : class;

static member AddSingleton : Microsoft.Extensions.DependencyInjection.IServiceCollection * 'Service -> Microsoft.Extensions.DependencyInjection.IServiceCollection (requires 'Service : null)

<Extension()>
Public Function AddSingleton(Of TService As Class) (services As IServiceCollection, implementationInstance As TService) As IServiceCollection

Type Parameters

TService

Parameters

services

IServiceCollection

The IServiceCollection to add the service to.

implementationInstance

TService

The instance of the service.

Returns

IServiceCollection

A reference to this instance after the operation has completed.

See also

• Singleton