ServiceCollectionDescriptorExtensions.TryAdd 方法

定義

命名空間:
Microsoft.Extensions.DependencyInjection.Extensions
組件:
Microsoft.Extensions.DependencyInjection.Abstractions.dll

多載

TryAdd(IServiceCollection, ServiceDescriptor)

如果尚未註冊服務類型，則將指定的 descriptor 新增至 collection。Adds the specified descriptor to the collection if the service type hasn't already been registered.
TryAdd(IServiceCollection, IEnumerable<ServiceDescriptor>)

如果尚未註冊服務類型，則將指定的 descriptors 新增至 collection。Adds the specified descriptors to the collection if the service type hasn't already been registered.

TryAdd(IServiceCollection, ServiceDescriptor)

如果尚未註冊服務類型，則將指定的 descriptor 新增至 collection。Adds the specified descriptor to the collection if the service type hasn't already been registered.

public:
[System::Runtime::CompilerServices::Extension]
 static void TryAdd(Microsoft::Extensions::DependencyInjection::IServiceCollection ^ collection, Microsoft::Extensions::DependencyInjection::ServiceDescriptor ^ descriptor);
public static void TryAdd (this Microsoft.Extensions.DependencyInjection.IServiceCollection collection, Microsoft.Extensions.DependencyInjection.ServiceDescriptor descriptor);
static member TryAdd : Microsoft.Extensions.DependencyInjection.IServiceCollection * Microsoft.Extensions.DependencyInjection.ServiceDescriptor -> unit
<Extension()>
Public Sub TryAdd (collection As IServiceCollection, descriptor As ServiceDescriptor)

參數

collection
IServiceCollection

IServiceCollection。The IServiceCollection.

descriptor
ServiceDescriptor

要加入的 ServiceDescriptor。The ServiceDescriptor to add.

適用於

TryAdd(IServiceCollection, IEnumerable<ServiceDescriptor>)

如果尚未註冊服務類型，則將指定的 descriptors 新增至 collection。Adds the specified descriptors to the collection if the service type hasn't already been registered.

public:
[System::Runtime::CompilerServices::Extension]
 static void TryAdd(Microsoft::Extensions::DependencyInjection::IServiceCollection ^ collection, System::Collections::Generic::IEnumerable<Microsoft::Extensions::DependencyInjection::ServiceDescriptor ^> ^ descriptors);
public static void TryAdd (this Microsoft.Extensions.DependencyInjection.IServiceCollection collection, System.Collections.Generic.IEnumerable<Microsoft.Extensions.DependencyInjection.ServiceDescriptor> descriptors);
static member TryAdd : Microsoft.Extensions.DependencyInjection.IServiceCollection * seq<Microsoft.Extensions.DependencyInjection.ServiceDescriptor> -> unit
<Extension()>
Public Sub TryAdd (collection As IServiceCollection, descriptors As IEnumerable(Of ServiceDescriptor))

參數

collection
IServiceCollection

IServiceCollection。The IServiceCollection.

descriptors
IEnumerable<ServiceDescriptor>

要新增的 ServiceDescriptor。The ServiceDescriptors to add.

適用於