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

Records the timestamp for each value in an observable sequence with the specified source.

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


<ExtensionAttribute> _
Public Shared Function Timestamp(Of TSource) ( _
    source As IObservable(Of TSource) _
) As IObservable(Of Timestamped(Of TSource))
Dim source As IObservable(Of TSource)
Dim returnValue As IObservable(Of Timestamped(Of TSource))

returnValue = source.Timestamp()
public static IObservable<Timestamped<TSource>> Timestamp<TSource>(
    this IObservable<TSource> source
generic<typename TSource>
static IObservable<Timestamped<TSource>>^ Timestamp(
    IObservable<TSource>^ source
static member Timestamp : 
        source:IObservable<'TSource> -> IObservable<Timestamped<'TSource>> 
JScript does not support generic types and methods.

Type Parameters

  • TSource
    The type of source.


Return Value

Type: System.IObservable<Timestamped<TSource>>
An observable sequence with timestamp information on values.

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

Timestamp Overload

System.Reactive.Linq Namespace