Observable.OfType(Of 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)

<ExtensionAttribute> _
Public Shared Function OfType(Of TResult) ( _
	source As IObservable(Of Object) _
) As IObservable(Of TResult)
Dim source As IObservable(Of Object)
Dim returnValue As IObservable(Of TResult)

returnValue = source.OfType()

Type Parameters


The type of result.


Type: System.IObservable(Of Object)
The source sequence.

Return Value

Type: System.IObservable(Of 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(Of 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.