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Observable.Finally<TSource> Method

Invokes a specified action after source observable sequence terminates normally or by an exception.

Namespace:  System.Reactive.Linq
Assembly:  System.Reactive (in System.Reactive.dll)


<ExtensionAttribute> _
Public Shared Function Finally(Of TSource) ( _
    source As IObservable(Of TSource), _
    finallyAction As Action _
) As IObservable(Of TSource)
Dim source As IObservable(Of TSource)
Dim finallyAction As Action
Dim returnValue As IObservable(Of TSource)

returnValue = source.Finally(finallyAction)
public static IObservable<TSource> Finally<TSource>(
    this IObservable<TSource> source,
    Action finallyAction
generic<typename TSource>
static IObservable<TSource>^ Finally(
    IObservable<TSource>^ source, 
    Action^ finallyAction
static member Finally : 
        source:IObservable<'TSource> * 
        finallyAction:Action -> IObservable<'TSource> 
JScript does not support generic types and methods.

Type Parameters

  • TSource
    The type of source.


  • finallyAction
    Type: System.Action
    Action to invoke after the source observable sequence terminates.

Return Value

Type: System.IObservable<TSource>
Source sequence with the action-invoking termination behavior applied.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IObservable<TSource>. When you use instance method syntax to call this method, omit the first parameter. For more information, see or .

See Also


Observable Class

System.Reactive.Linq Namespace