Observable::Concat<TSource> Method (IObservable<IObservable<TSource>>)

Concatenates an observable sequence of observable sequences.

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

generic<typename TSource>
static IObservable<TSource>^ Concat(
	IObservable<IObservable<TSource>^>^ sources

Type Parameters


The type of source.


Type: System::IObservable<IObservable<TSource>>
The observable sequence of inner observable sequences.

Return Value

Type: System::IObservable<TSource>
An observable sequence that contains the elements of each observed inner sequence, in sequential order.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IObservable<IObservable<TSource>>. 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.aspx or https://msdn.microsoft.com/en-us/library/bb383977.aspx.