The recording of the first ever ReactiveUI virtual conference is available on our YouTube Channel.


Observable.Take<TSource> Method

Returns a specified number of contiguous values from the start of an observable sequence.

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


<ExtensionAttribute> _
Public Shared Function Take(Of TSource) ( _
    source As IObservable(Of TSource), _
    count As Integer _
) As IObservable(Of TSource)
Dim source As IObservable(Of TSource)
Dim count As Integer
Dim returnValue As IObservable(Of TSource)

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

Type Parameters

  • TSource
    The type of source.


Return Value

Type: System.IObservable<TSource>
An observable sequence that contains the specified number of elements from the start of the input sequence.

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