OptionsMonitorExtensions.OnChange<TOptions> Method

Definition

Namespace:

Microsoft.Extensions.Options

Assembly:

Microsoft.Extensions.Options.dll

Package:

Microsoft.Extensions.Options v9.0.0-rc.2.24473.5

Registers a listener to be called whenever TOptions changes.

public:
generic <typename TOptions>
[System::Runtime::CompilerServices::Extension]
 static IDisposable ^ OnChange(Microsoft::Extensions::Options::IOptionsMonitor<TOptions> ^ monitor, Action<TOptions> ^ listener);

public static IDisposable? OnChange<TOptions> (this Microsoft.Extensions.Options.IOptionsMonitor<TOptions> monitor, Action<TOptions> listener);

static member OnChange : Microsoft.Extensions.Options.IOptionsMonitor<'Options> * Action<'Options> -> IDisposable

<Extension()>
Public Function OnChange(Of TOptions) (monitor As IOptionsMonitor(Of TOptions), listener As Action(Of TOptions)) As IDisposable

Type Parameters

TOptions

The type of options instance being monitored.

Parameters

monitor

IOptionsMonitor<TOptions>

The IOptionsMonitor.

listener

Action<TOptions>

The action to be invoked when TOptions has changed.

Returns

IDisposable

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