Qbservable.Window(Of TSource) Method (IQbservable(Of TSource), TimeSpan, TimeSpan)

Projects each element of a queryable observable sequence into zero or more windows which are produced based on timing information.

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

<ExtensionAttribute> _
Public Shared Function Window(Of TSource) ( _
	source As IQbservable(Of TSource), _
	timeSpan As TimeSpan, _
	timeShift As TimeSpan _
) As IQbservable(Of IObservable(Of TSource))
Dim source As IQbservable(Of TSource)
Dim timeSpan As TimeSpan
Dim timeShift As TimeSpan
Dim returnValue As IQbservable(Of IObservable(Of TSource))

returnValue = source.Window(timeSpan, _

Type Parameters


The type of source.


Type: System.Reactive.Linq.IQbservable(Of TSource)
The source sequence to produce windows over.
Type: System.TimeSpan
The length of each window.
Type: System.TimeSpan
The interval between creation of consecutive 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.