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-rc.2.24473.5

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

在 ICollection<T>中尋找的物件。

傳回

Boolean

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

實作

Contains(T)