When(TResult) Method (IQbservableProvider, QueryablePlan(TResult)[])
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Qbservable.When<TResult> Method (IQbservableProvider, QueryablePlan<TResult>[])

Joins together the results from several patterns.

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

public static IQbservable<TResult> When<TResult>(
	this IQbservableProvider provider,
	params QueryablePlan<TResult>[] plans

Type Parameters


The type of result.


Type: System.Reactive.Linq.IQbservableProvider
The local Qbservable provider.
Type: System.Reactive.Joins.QueryablePlan<TResult>[]
The joining patterns.

Return Value

Type: System.Reactive.Linq.IQbservable<TResult>
The results from several patterns.

Usage Note

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