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Qbservable.Aggregate<TSource> Method (IQbservable<TSource>, Expression<Func<TSource, TSource, TSource>>)

Applies an accumulator function over a queryable observable sequence.

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

public static IQbservable<TSource> Aggregate<TSource>(
	this IQbservable<TSource> source,
	Expression<Func<TSource, TSource, TSource>> accumulator
)

Type Parameters

TSource

The type of source.

Parameters

source
Type: System.Reactive.Linq.IQbservable<TSource>
An observable sequence to aggregate over.
accumulator
Type: System.Linq.Expressions.Expression<Func<TSource, TSource, TSource>>
An accumulator function to be invoked on each element.

Return Value

Type: System.Reactive.Linq.IQbservable<TSource>
A queryable observable sequence containing a single element with the final accumulator value.

Usage Note

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