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

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


<ExtensionAttribute> _
Public Shared Function Sum ( _
    source As IObservable(Of Nullable(Of Decimal)) _
) As IObservable(Of Nullable(Of Decimal))
public static IObservable<Nullable<decimal>> Sum(
    this IObservable<Nullable<decimal>> source
static IObservable<Nullable<Decimal>>^ Sum(
    IObservable<Nullable<Decimal>>^ source
static member Sum : 
        source:IObservable<Nullable<decimal>> -> IObservable<Nullable<decimal>> 


Return Value

Type: System.IObservable<Nullable<Decimal>>

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 Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).

Version Information

.NET for Windows Phone apps

Supported in: Windows Phone 8, Silverlight 8.1

.NET Framework Security

See Also


Observable Class

Sum Overload

Microsoft.Phone.Reactive Namespace