Observable.SubscribeOn(Of TSource) Method (IObservable(Of TSource), SynchronizationContext)

Asynchronously subscribes and unsubscribes observers on the specified synchronization context.

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

<ExtensionAttribute> _
Public Shared Function SubscribeOn(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.SubscribeOn(context)

Type Parameters


The type of source.


Type: System.IObservable(Of TSource)
The source sequence.
Type: System.Threading.SynchronizationContext
The synchronization context to perform subscription and unsubscription actions on.

Return Value

Type: System.IObservable(Of TSource)
The source sequence whose subscriptions and unsubscriptions 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(Of TSource). When you use instance method syntax to call this method, omit the first parameter. For more information, see https://msdn.microsoft.com/en-us/library/bb384936(v=vs.103).aspx or https://msdn.microsoft.com/en-us/library/bb383977(v=vs.103).aspx.