Observable::OfType<TResult> Method

Filters the elements of an observable sequence based on the specified type.

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

generic<typename TResult>
static IObservable<TResult>^ OfType(
	IObservable<Object^>^ source

Type Parameters


The type of result.


Type: System::IObservable<Object>
The source sequence.

Return Value

Type: System::IObservable<TResult>
An observable sequence that contains elements from the input sequence of type TResult.

Usage Note

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