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Observable.LongCount<TSource> Method

March 22, 2012

Returns an Int64 value that represents the total number of values in an observable sequence.

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

public static IObservable<long> LongCount<TSource>(
	this IObservable<TSource> source
)

Type Parameters

TSource

Parameters

source
Type: System.IObservable<TSource>

Return Value

Type: System.IObservable<Int64>
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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