Observable.Merge<TSource> Method (IObservable<IObservable<TSource>>, Int32)

Merges an enumerable sequence of observable sequences into an observable sequence, limiting the number of concurrent subscriptions to inner sequences.

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

public static IObservable<TSource> Merge<TSource>(
	this IObservable<IObservable<TSource>> sources,
	int maxConcurrent

Type Parameters


The type of source.


Type: System.IObservable<IObservable<TSource>>
The observable sequence of inner observable sequences.
Type: System.Int32
The maximum number of observable sequences being subscribed to concurrently.

Return Value

Type: System.IObservable<TSource>
The observable sequence that merges the elements of the inner sequences.

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(v=vs.103).aspx or https://msdn.microsoft.com/en-us/library/bb383977(v=vs.103).aspx.