NullChangeToken.RegisterChangeCallback(Action<Object>, Object) 方法

定义

命名空间:

Microsoft.Extensions.FileProviders

程序集:

Microsoft.Extensions.FileProviders.Abstractions.dll

包:

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

Source:

NullChangeToken.cs

始终返回空的可释放对象。 永远不会调用回叫。

public:
 virtual IDisposable ^ RegisterChangeCallback(Action<System::Object ^> ^ callback, System::Object ^ state);

public IDisposable RegisterChangeCallback (Action<object?> callback, object? state);

abstract member RegisterChangeCallback : Action<obj> * obj -> IDisposable
override this.RegisterChangeCallback : Action<obj> * obj -> IDisposable

Public Function RegisterChangeCallback (callback As Action(Of Object), state As Object) As IDisposable

参数

callback

Action<Object>

忽略此参数。

state

Object

忽略此参数。

返回

IDisposable

在释放时等待的可释放对象。

实现

RegisterChangeCallback(Action<Object>, Object)