IOptionsMonitor<TOptions>.OnChange Method

Definition

Namespace:

Microsoft.Extensions.Options

Assembly:

Microsoft.Extensions.Options.dll

Package:

Microsoft.Extensions.Options v9.0.0

Source:

IOptionsMonitor.cs

Registers a listener to be called whenever a named TOptions changes.

public:
 IDisposable ^ OnChange(Action<TOptions, System::String ^> ^ listener);

public IDisposable? OnChange (Action<out TOptions,string?> listener);

abstract member OnChange : Action<'Options, string> -> IDisposable

Public Function OnChange (listener As Action(Of Out TOptions, String)) As IDisposable

Parameters

listener

Action<TOptions,String>

The action to be invoked when TOptions has changed.

Returns

IDisposable

An IDisposable which should be disposed to stop listening for changes.