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Last(TSource) Method (IObservable(TSource), Func(TSource, Boolean))

Observable::Last<TSource> Method (IObservable<TSource>, Func<TSource, Boolean>)

Returns the last element of an observable sequence that matches the predicate.

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

generic<typename TSource>
static TSource Last(
	IObservable<TSource>^ source, 
	Func<TSource, bool>^ predicate

Type Parameters


The type of source.


Type: System::IObservable<TSource>
The source observable sequence.
Type: System::Func<TSource, Boolean>
A predicate function to evaluate for elements in the sequence.

Return Value

Type: TSource
The last element in the observable sequence for which the predicate holds.

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.aspx or https://msdn.microsoft.com/en-us/library/bb383977.aspx.
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