Observable.Then<TSource, TResult> Method

Matches when the observable sequence has an available value and projects the value.

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

public static Plan<TResult> Then<TSource, TResult>(
	this IObservable<TSource> source,
	Func<TSource, TResult> selector
)

Type Parameters

TSource

The type of source.

TResult

The type of result.

Parameters

source
Type: System.IObservable<TSource>
The observable source sequence.
selector
Type: System.Func<TSource, TResult>
A transform function to apply to each source element.

Return Value

Type: System.Reactive.Joins.Plan<TResult>
The observable sequence has an available value and projects the value.

Usage Note

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