Sum Method (IQbservable(Nullable(Double)))

Qbservable.Sum Method (IQbservable<Nullable<Double>>)

Computes the sum of a sequence of nullable Double values.

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

public static IQbservable<Nullable<double>> Sum(
	this IQbservable<Nullable<double>> source


Type: System.Reactive.Linq.IQbservable<Nullable<Double>>
A sequence of nullable Double values to calculate the sum of.

Return Value

Type: System.Reactive.Linq.IQbservable<Nullable<Double>>
The sum of a sequence of nullable Double values.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IQbservable<Nullable<Double>>. When you use instance method syntax to call this method, omit the first parameter. For more information, see or
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