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 .