Qbservable.MostRecent<TSource> Method
Samples the most recent value in a queryable observable sequence.
Namespace: System.Reactive.Linq
Assembly: System.Reactive.Providers (in System.Reactive.Providers.dll)
Syntax
'Declaration
<ExtensionAttribute> _
Public Shared Function MostRecent(Of TSource) ( _
source As IQbservable(Of TSource), _
initialValue As TSource _
) As IQueryable(Of TSource)
'Usage
Dim source As IQbservable(Of TSource)
Dim initialValue As TSource
Dim returnValue As IQueryable(Of TSource)
returnValue = source.MostRecent(initialValue)
public static IQueryable<TSource> MostRecent<TSource>(
this IQbservable<TSource> source,
TSource initialValue
)
[ExtensionAttribute]
public:
generic<typename TSource>
static IQueryable<TSource>^ MostRecent(
IQbservable<TSource>^ source,
TSource initialValue
)
static member MostRecent :
source:IQbservable<'TSource> *
initialValue:'TSource -> IQueryable<'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 queryable observable sequence.
- initialValue
Type: TSource
The initial value that will be yielded by the enumerable sequence if no element has been sampled yet.
Return Value
Type: System.Linq.IQueryable<TSource>
The enumerable sequence that returns the last sampled element upon each iteration.
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 .