Qbservable.RefCount<TSource> Method

Returns a queryable observable sequence that stays connected to the source as long as there is at least one subscription to the queryable observable sequence.

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

Syntax

'Declaration
<ExtensionAttribute> _
Public Shared Function RefCount(Of TSource) ( _
    provider As IQbservableProvider, _
    source As IConnectableObservable(Of TSource) _
) As IQbservable(Of TSource)
'Usage
Dim provider As IQbservableProvider
Dim source As IConnectableObservable(Of TSource)
Dim returnValue As IQbservable(Of TSource)

returnValue = provider.RefCount(source)
public static IQbservable<TSource> RefCount<TSource>(
    this IQbservableProvider provider,
    IConnectableObservable<TSource> source
)
[ExtensionAttribute]
public:
generic<typename TSource>
static IQbservable<TSource>^ RefCount(
    IQbservableProvider^ provider, 
    IConnectableObservable<TSource>^ source
)
static member RefCount : 
        provider:IQbservableProvider * 
        source:IConnectableObservable<'TSource> -> IQbservable<'TSource> 
JScript does not support generic types and methods.

Type Parameters

  • TSource
    The type of source.

Parameters

Return Value

Type: System.Reactive.Linq.IQbservable<TSource>
A queryable observable sequence that stays connected to the source.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IQbservableProvider. When you use instance method syntax to call this method, omit the first parameter. For more information, see or .

See Also

Reference

Qbservable Class

System.Reactive.Linq Namespace