Observable.Prune<TSource, TResult> Method (IObservable<TSource>, Func<IObservable<TSource>, IObservable<TResult>>)

March 22, 2012

Returns an observable sequence that is the result of invoking the selector on a connectable observable sequence that shares a single subscription to the underlying source containing only the last notification.

Namespace:  Microsoft.Phone.Reactive
Assembly:  Microsoft.Phone.Reactive (in Microsoft.Phone.Reactive.dll)

public static IObservable<TResult> Prune<TSource, TResult>(
	this IObservable<TSource> source,
	Func<IObservable<TSource>, IObservable<TResult>> selector
)

Type Parameters

TSource
TResult

Parameters

source
Type: System.IObservable<TSource>
selector
Type: System.Func<IObservable<TSource>, IObservable<TResult>>

Return Value

Type: System.IObservable<TResult>
Returns IObservable<T>.

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.

Windows Phone OS

Supported in: 7.1, 7.0

Windows Phone

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