Observable.Sum Method (IObservable<Int32>)
Namespace: Microsoft.Phone.Reactive
Assembly: Microsoft.Phone.Reactive (in Microsoft.Phone.Reactive.dll)
Syntax
'Declaration
<ExtensionAttribute> _
Public Shared Function Sum ( _
source As IObservable(Of Integer) _
) As IObservable(Of Integer)
public static IObservable<int> Sum(
this IObservable<int> source
)
[ExtensionAttribute]
public:
static IObservable<int>^ Sum(
IObservable<int>^ source
)
static member Sum :
source:IObservable<int> -> IObservable<int>
Parameters
- source
Type: System.IObservable<Int32>
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
- Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.