Observable

Observable.PublishLast<TSource> Method (IObservable<TSource>)

Returns a connectable observable sequence that shares a single subscription to the underlying sequence containing only the last notification.

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

Syntax

'Declaration
<ExtensionAttribute> _
Public Shared Function PublishLast(Of TSource) ( _
    source As IObservable(Of TSource) _
) As IConnectableObservable(Of TSource)
'Usage
Dim source As IObservable(Of TSource)
Dim returnValue As IConnectableObservable(Of TSource)

returnValue = source.PublishLast()
public static IConnectableObservable<TSource> PublishLast<TSource>(
    this IObservable<TSource> source
)
[ExtensionAttribute]
public:
generic<typename TSource>
static IConnectableObservable<TSource>^ PublishLast(
    IObservable<TSource>^ source
)
static member PublishLast : 
        source:IObservable<'TSource> -> IConnectableObservable<'TSource> 
JScript does not support generic types and methods.

Type Parameters

  • TSource
    The type of source.

Parameters

  • source
    Type: System.IObservable<TSource>
    The source sequence whose elements will be multicasted through a single shared subscription.

Return Value

Type: System.Reactive.Subjects.IConnectableObservable<TSource>
A connectable observable sequence that shares a single subscription to the underlying sequence containing only the last notification.

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

Reference

Observable Class

PublishLast Overload

System.Reactive.Linq Namespace