ServiceCollectionDescriptorExtensions.TryAdd 方法

定义

命名空间:

Microsoft.Extensions.DependencyInjection.Extensions

程序集:

Microsoft.Extensions.DependencyInjection.Abstractions.dll

包:

Microsoft.Extensions.DependencyInjection.Abstractions v9.0.0-rc.2.24473.5

重载

TryAdd(IServiceCollection, ServiceDescriptor)	如果服务类型尚未注册，则将指定的 descriptor 添加到 collection 中。
TryAdd(IServiceCollection, IEnumerable<ServiceDescriptor>)	如果服务类型尚未注册，则将指定的 descriptors 添加到 collection 中。

TryAdd(IServiceCollection, ServiceDescriptor)

Source:

ServiceCollectionDescriptorExtensions.cs

如果服务类型尚未注册，则将指定的 descriptor 添加到 collection 中。

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)

参数

collection

IServiceCollection

IServiceCollection

descriptor

ServiceDescriptor

要添加的 ServiceDescriptor。

TryAdd(IServiceCollection, IEnumerable<ServiceDescriptor>)

Source:

ServiceCollectionDescriptorExtensions.cs

如果服务类型尚未注册，则将指定的 descriptors 添加到 collection 中。

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))

参数

collection

IServiceCollection

IServiceCollection

descriptors

IEnumerable<ServiceDescriptor>

要添加的 ServiceDescriptor。