ServiceCollection.Contains(ServiceDescriptor) 方法

定義

命名空間:

Microsoft.Extensions.DependencyInjection

組件:

Microsoft.Extensions.DependencyInjection.Abstractions.dll

套件:

Microsoft.Extensions.DependencyInjection.Abstractions v9.0.0-preview.3.24172.9

來源:

ServiceCollection.cs

判斷 ICollection<T> 是否包含特定值。

public:
 virtual bool Contains(Microsoft::Extensions::DependencyInjection::ServiceDescriptor ^ item);

public bool Contains (Microsoft.Extensions.DependencyInjection.ServiceDescriptor item);

abstract member Contains : Microsoft.Extensions.DependencyInjection.ServiceDescriptor -> bool
override this.Contains : Microsoft.Extensions.DependencyInjection.ServiceDescriptor -> bool

Public Function Contains (item As ServiceDescriptor) As Boolean

參數

item

ServiceDescriptor

要在 ICollection<T> 中尋找的物件。

傳回

Boolean

如果在 true 中找到 item，則為 ICollection<T>，否則為 false。

實作

Contains(T)