ServiceCollectionDescriptorExtensions.TryAdd 方法
定義
重要
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多載
| 名稱 | Description |
|---|---|
| TryAdd(IServiceCollection, ServiceDescriptor) |
如果服務類型還沒註冊，會把指定的 |
| TryAdd(IServiceCollection, IEnumerable<ServiceDescriptor>) |
如果服務類型還沒註冊，會把指定的 |
TryAdd(IServiceCollection, ServiceDescriptor)
如果服務類型還沒註冊，會把指定的 descriptor 資料加到裡面 collection 。
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
- descriptor
- ServiceDescriptor
還有 ServiceDescriptor 一點要補充。
適用於
TryAdd(IServiceCollection, IEnumerable<ServiceDescriptor>)
如果服務類型還沒註冊，會把指定的 descriptors 資料加到裡面 collection 。
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
- descriptors
- IEnumerable<ServiceDescriptor>
ServiceDescriptor要加上 S。
