ServiceCollectionDescriptorExtensions.TryAddSingleton 方法

定義

命名空間:

Microsoft.Extensions.DependencyInjection.Extensions

組件:

Microsoft.Extensions.DependencyInjection.Abstractions.dll

套件:

Microsoft.Extensions.DependencyInjection.Abstractions v8.0.0

多載

TryAddSingleton(IServiceCollection, Type, Type)	如果尚未註冊服務類型，則將所指定 service 作為具有 implementationType 的 Singleton 服務新增至 collection。
TryAddSingleton(IServiceCollection, Type, Func<IServiceProvider,Object>)	如果尚未註冊服務類型，則使用 implementationFactory 中指定的 Factory，將指定的 service 作為 Singleton 服務新增至 collection。
TryAddSingleton(IServiceCollection, Type)	如果尚未註冊服務類型，則將指定的 service 作為 Singleton 服務新增至 collection。
TryAddSingleton<TService,TImplementation>(IServiceCollection)	如果尚未註冊服務類型，則將指定 TService 作為 TImplementation 中指定的 Singleton 服務實作類型新增至 collection。
TryAddSingleton<TService>(IServiceCollection)	如果尚未註冊服務類型，則將指定的 TService 作為 Singleton 服務新增至 collection。
TryAddSingleton<TService>(IServiceCollection, Func<IServiceProvider,TService>)	如果尚未註冊服務類型，則使用 implementationFactory 中指定的 Factory，將指定的 TService 作為 Singleton 服務新增至 services。
TryAddSingleton<TService>(IServiceCollection, TService)	如果尚未註冊服務類型，則使用 instance 中指定的執行個體，將指定的 TService 作為 Singleton 服務新增至 collection。

TryAddSingleton(IServiceCollection, Type, Type)

來源:

ServiceCollectionDescriptorExtensions.cs

如果尚未註冊服務類型，則將所指定 service 作為具有 implementationType 的 Singleton 服務新增至 collection。

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)

參數

collection

IServiceCollection

IServiceCollection。

service

Type

要註冊的服務類型。

implementationType

Type

服務的實作類型。

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

來源:

ServiceCollectionDescriptorExtensions.cs

如果尚未註冊服務類型，則使用 implementationFactory 中指定的 Factory，將指定的 service 作為 Singleton 服務新增至 collection。

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))

參數

collection

IServiceCollection

IServiceCollection。

service

Type

要註冊的服務類型。

implementationFactory

Func<IServiceProvider,Object>

建立服務的 Factory。

TryAddSingleton(IServiceCollection, Type)

來源:

ServiceCollectionDescriptorExtensions.cs

如果尚未註冊服務類型，則將指定的 service 作為 Singleton 服務新增至 collection。

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)

參數

collection

IServiceCollection

IServiceCollection。

service

Type

要註冊的服務類型。

TryAddSingleton<TService,TImplementation>(IServiceCollection)

來源:

ServiceCollectionDescriptorExtensions.cs

如果尚未註冊服務類型，則將指定 TService 作為 TImplementation 中指定的 Singleton 服務實作類型新增至 collection。

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)

類型參數

TService

要新增的服務類型。

TImplementation

要使用的實作類型。

參數

collection

IServiceCollection

IServiceCollection。

TryAddSingleton<TService>(IServiceCollection)

來源:

ServiceCollectionDescriptorExtensions.cs

如果尚未註冊服務類型，則將指定的 TService 作為 Singleton 服務新增至 collection。

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)

類型參數

TService

要新增的服務類型。

參數

collection

IServiceCollection

IServiceCollection。

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

來源:

ServiceCollectionDescriptorExtensions.cs

如果尚未註冊服務類型，則使用 implementationFactory 中指定的 Factory，將指定的 TService 作為 Singleton 服務新增至 services。

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))

類型參數

TService

要新增的服務類型。

參數

services

IServiceCollection

IServiceCollection。

implementationFactory

Func<IServiceProvider,TService>

建立服務的 Factory。

TryAddSingleton<TService>(IServiceCollection, TService)

來源:

ServiceCollectionDescriptorExtensions.cs

如果尚未註冊服務類型，則使用 instance 中指定的執行個體，將指定的 TService 作為 Singleton 服務新增至 collection。

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)

類型參數

TService

要新增的服務類型。

參數

collection

IServiceCollection

IServiceCollection。

instance

TService

要新增的服務執行個體。