Observable.StartWith(Of TSource) Method (IObservable(Of TSource), IScheduler, TSource())

Prepends a sequence of values to an observable sequence with the specified source, scheduler and values.

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

<ExtensionAttribute> _
Public Shared Function StartWith(Of TSource) ( _
	source As IObservable(Of TSource), _
	scheduler As IScheduler, _
	ParamArray values As TSource() _
) As IObservable(Of TSource)
Dim source As IObservable(Of TSource)
Dim scheduler As IScheduler
Dim values As TSource()
Dim returnValue As IObservable(Of TSource)

returnValue = source.StartWith(scheduler, _

Type Parameters


The type of source.


Type: System.IObservable(Of TSource)
The source sequence to prepend values to.
Type: System.Reactive.Concurrency.IScheduler
The scheduler to emit the prepended values on.
Type: TSource()
The values to prepend to the specified sequence.

Return Value

Type: System.IObservable(Of TSource)
The source sequence prepended with the specified values.

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.