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Observable.Sum Method (IObservable<Nullable<Single>>)

March 22, 2012

Computes the sum of a sequence of nullable System.Float values.

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

public static IObservable<Nullable<float>> Sum(
	this IObservable<Nullable<float>> source
)

Parameters

source: Type: System.IObservable<Nullable<Single>>

Return Value

Type: System.IObservable<Nullable<Single>>
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<Nullable<Single>>. When you use instance method syntax to call this method, omit the first parameter.

Version Information

Windows Phone OS

Supported in: 7.1, 7.0

Platforms

Windows Phone

Reference

Observable Class

Sum Overload

Microsoft.Phone.Reactive Namespace

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