Observable.ObserveOn<TSource> Method (IObservable<TSource>, SynchronizationContext)

Asynchronously notify observers on the specified synchronization context.

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


<ExtensionAttribute> _
Public Shared Function ObserveOn(Of TSource) ( _
    source As IObservable(Of TSource), _
    context As SynchronizationContext _
) As IObservable(Of TSource)
Dim source As IObservable(Of TSource)
Dim context As SynchronizationContext
Dim returnValue As IObservable(Of TSource)

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

Type Parameters

  • TSource
    The type of source.


Return Value

Type: System.IObservable<TSource>
The source sequence whose observations happen on the specified synchronization context.

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

ObserveOn Overload

System.Reactive.Linq Namespace