ServiceCollection.Contains(ServiceDescriptor) 方法

定义

命名空间:

Microsoft.Extensions.DependencyInjection

程序集:

Microsoft.Extensions.DependencyInjection.Abstractions.dll

包:

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

Source:

ServiceCollection.cs

确定 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

参数

item

ServiceDescriptor

要在 ICollection<T> 中定位的对象。

返回

Boolean

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

实现

Contains(T)