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

定義

命名空間:

Microsoft.Extensions.FileProviders

組件:

Microsoft.Extensions.FileProviders.Abstractions.dll

套件:

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

來源:

NullChangeToken.cs

一律傳回空的可處置物件。 永遠不會呼叫回呼。

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

參數

callback

Action<Object>

這個參數已忽略。

state

Object

這個參數已忽略。

傳回

IDisposable

在處置時執行 noop 的可處置物件。

實作

RegisterChangeCallback(Action<Object>, Object)