Observable.Sum Method (IObservable(Nullable(Decimal)))

Computes the sum of a sequence of nullable Decimal values.

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

static member Sum : 
        source:IObservable<Nullable<decimal>> -> IObservable<Nullable<decimal>> 

Parameters

source
Type: System.IObservable(Nullable(Decimal))
A sequence of nullable Decimal values to calculate the sum of.

Return Value

Type: System.IObservable(Nullable(Decimal))
The sum of a sequence of nullable Decimal values.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IObservable(Nullable(Decimal)). When you use instance method syntax to call this method, omit the first parameter. For more information, see https://msdn.microsoft.com/en-us/library/bb384936(v=vs.103).aspx or https://msdn.microsoft.com/en-us/library/bb383977(v=vs.103).aspx.
Show: