Qbservable.Window(Of TSource, TWindowClosing) Method (IQbservable(Of TSource), Expression(Of Func(Of IObservable(Of TWindowClosing))))

Projects each element of a queryable observable sequence into consecutive non-overlapping windows.

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

<ExtensionAttribute> _
Public Shared Function Window(Of TSource, TWindowClosing) ( _
	source As IQbservable(Of TSource), _
	windowClosingSelector As Expression(Of Func(Of IObservable(Of TWindowClosing))) _
) As IQbservable(Of IObservable(Of TSource))
Dim source As IQbservable(Of TSource)
Dim windowClosingSelector As Expression(Of Func(Of IObservable(Of TWindowClosing)))
Dim returnValue As IQbservable(Of IObservable(Of TSource))

returnValue = source.Window(windowClosingSelector)

Type Parameters


The type of source.


The type of window closing.


Type: System.Reactive.Linq.IQbservable(Of TSource)
The source sequence to produce windows over.
Type: System.Linq.Expressions.Expression(Of Func(Of IObservable(Of TWindowClosing)))
A function invoked to define the boundaries of the produced windows.

Return Value

Type: System.Reactive.Linq.IQbservable(Of IObservable(Of TSource))
A queryable observable sequence of windows.

Usage Note

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