Qbservable.StartWith<TSource> Method (IQbservable<TSource>, IScheduler, TSource[])

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

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


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

returnValue = source.StartWith(scheduler, _
public static IQbservable<TSource> StartWith<TSource>(
    this IQbservable<TSource> source,
    IScheduler scheduler,
    params TSource[] values
generic<typename TSource>
static IQbservable<TSource>^ StartWith(
    IQbservable<TSource>^ source, 
    IScheduler^ scheduler, 
    ... array<TSource>^ values
static member StartWith : 
        source:IQbservable<'TSource> * 
        scheduler:IScheduler * 
        values:'TSource[] -> IQbservable<'TSource> 
JScript does not support generic types and methods.

Type Parameters

  • TSource
    The type of source.


  • values
    Type: TSource[]
    The values to prepend to the specified sequence.

Return Value

Type: System.Reactive.Linq.IQbservable<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 IQbservable<TSource>. When you use instance method syntax to call this method, omit the first parameter. For more information, see or .

See Also


Qbservable Class

StartWith Overload

System.Reactive.Linq Namespace