Observable.Sum Method (IObservable<Int32>)

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


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


Return Value

Type: System.IObservable<Int32>

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IObservable<Int32>. 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