Observable

Observable.Latest<TSource> Method

Samples the most recent value in an observable sequence.

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

Syntax

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

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

Type Parameters

  • TSource
    The type of source.

Parameters

Return Value

Type: System.Collections.Generic.IEnumerable<TSource>
The enumerable sequence that returns the last sampled element upon each iteration and subsequently blocks until the next element in the observable source sequence becomes available.

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

System.Reactive.Linq Namespace