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Observable.Any(TSource) Method (IObservable(TSource))

Determines whether an observable sequence contains any elements.

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

JScript does not support generic types and methods.

source: Type: System.IObservable(TSource)
An observable sequence to check for non-emptiness.

Type: System.IObservable(Boolean)
True if an observable sequence contains any elements; otherwise, false.

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 http://msdn.microsoft.com/en-us/library/bb384936(v=vs.103).aspx or http://msdn.microsoft.com/en-us/library/bb383977(v=vs.103).aspx.

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