Observable.Contains<TSource> Method (IObservable<TSource>, TSource)
Namespace: Microsoft.Phone.Reactive
Assembly: Microsoft.Phone.Reactive (in Microsoft.Phone.Reactive.dll)
Syntax
'Declaration
<ExtensionAttribute> _
Public Shared Function Contains(Of TSource) ( _
source As IObservable(Of TSource), _
value As TSource _
) As IObservable(Of Boolean)
public static IObservable<bool> Contains<TSource>(
this IObservable<TSource> source,
TSource value
)
[ExtensionAttribute]
public:
generic<typename TSource>
static IObservable<bool>^ Contains(
IObservable<TSource>^ source,
TSource value
)
static member Contains :
source:IObservable<'TSource> *
value:'TSource -> IObservable<bool>
Type Parameters
- TSource
Parameters
- source
Type: System.IObservable<TSource>
- value
Type: TSource
Return Value
Type: System.IObservable<Boolean>
Usage Note
In Visual Basic and C#, you can call this method as an instance method on any object of type IObservable<TSource>. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).
Version Information
.NET for Windows Phone apps
Supported in: Windows Phone 8, Silverlight 8.1
.NET Framework Security
- Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.