ChangeToken.OnChange Method

Definition

Namespace:

Microsoft.Extensions.Primitives

Assembly:

Microsoft.Extensions.Primitives.dll

Package:

Microsoft.Extensions.Primitives v9.0.0

Overloads

OnChange(Func<IChangeToken>, Action)	Registers the changeTokenConsumer action to be called whenever the token produced changes.
OnChange<TState>(Func<IChangeToken>, Action<TState>, TState)	Registers the changeTokenConsumer action to be called whenever the token produced changes.

OnChange(Func<IChangeToken>, Action)

Source:

ChangeToken.cs

Registers the changeTokenConsumer action to be called whenever the token produced changes.

public:
 static IDisposable ^ OnChange(Func<Microsoft::Extensions::Primitives::IChangeToken ^> ^ changeTokenProducer, Action ^ changeTokenConsumer);

public static IDisposable OnChange (Func<Microsoft.Extensions.Primitives.IChangeToken?> changeTokenProducer, Action changeTokenConsumer);

static member OnChange : Func<Microsoft.Extensions.Primitives.IChangeToken> * Action -> IDisposable

Public Shared Function OnChange (changeTokenProducer As Func(Of IChangeToken), changeTokenConsumer As Action) As IDisposable

Parameters

changeTokenProducer

Func<IChangeToken>

Produces the change token.

changeTokenConsumer

Action

Action called when the token changes.

Returns

IDisposable

OnChange<TState>(Func<IChangeToken>, Action<TState>, TState)

Source:

ChangeToken.cs

Registers the changeTokenConsumer action to be called whenever the token produced changes.

public:
generic <typename TState>
 static IDisposable ^ OnChange(Func<Microsoft::Extensions::Primitives::IChangeToken ^> ^ changeTokenProducer, Action<TState> ^ changeTokenConsumer, TState state);

public static IDisposable OnChange<TState> (Func<Microsoft.Extensions.Primitives.IChangeToken?> changeTokenProducer, Action<TState> changeTokenConsumer, TState state);

static member OnChange : Func<Microsoft.Extensions.Primitives.IChangeToken> * Action<'State> * 'State -> IDisposable

Public Shared Function OnChange(Of TState) (changeTokenProducer As Func(Of IChangeToken), changeTokenConsumer As Action(Of TState), state As TState) As IDisposable

Type Parameters

TState

The type of the state for the changeTokenConsumer action.

Parameters

changeTokenProducer

Func<IChangeToken>

Produces the change token.

changeTokenConsumer

Action<TState>

Action called when the token changes.

state

TState

state for the consumer.

Returns

IDisposable