Qbservable.StartWith<TSource> Method (IQbservable<TSource>, TSource[])
Prepends a sequence of values to a queryable observable sequence with the specified source and values.
Namespace: System.Reactive.Linq
Assembly: System.Reactive.Providers (in System.Reactive.Providers.dll)
Syntax
'Declaration
<ExtensionAttribute> _
Public Shared Function StartWith(Of TSource) ( _
source As IQbservable(Of TSource), _
ParamArray values As TSource() _
) As IQbservable(Of TSource)
'Usage
Dim source As IQbservable(Of TSource)
Dim values As TSource()
Dim returnValue As IQbservable(Of TSource)
returnValue = source.StartWith(values)
public static IQbservable<TSource> StartWith<TSource>(
this IQbservable<TSource> source,
params TSource[] values
)
[ExtensionAttribute]
public:
generic<typename TSource>
static IQbservable<TSource>^ StartWith(
IQbservable<TSource>^ source,
... array<TSource>^ values
)
static member StartWith :
source:IQbservable<'TSource> *
values:'TSource[] -> IQbservable<'TSource>
JScript does not support generic types and methods.
Type Parameters
- TSource
The type of source.
Parameters
- source
Type: System.Reactive.Linq.IQbservable<TSource>
The source sequence to prepend values to.
- 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 .