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How to: Handle the ScrollChanged Event

03/30/2017

csharp

vb

ScrollViewer control [WPF], raising ScrollChanged events

ScrollChanged events [WPF]

42c695d8-ee28-49d4-80fd-fc71e9be7f29

How to: Handle the ScrollChanged Event

Example

This example shows how to handle the xref:System.Windows.Controls.ScrollViewer.ScrollChanged event of a xref:System.Windows.Controls.ScrollViewer.

A xref:System.Windows.Documents.FlowDocument element with xref:System.Windows.Documents.Paragraph parts is defined in [!INCLUDETLA2#tla_xaml]. When the xref:System.Windows.Controls.ScrollViewer.ScrollChanged event occurs due to user interaction, a handler is invoked, and text is written to a xref:System.Windows.Controls.TextBlock indicating that the event has occurred.

[!code-xamlscrollchangedeventargsLayout#1]
[!code-xamlscrollchangedeventargsLayout#2]

[!code-csharpscrollchangedeventargsLayout#3] [!code-vbscrollchangedeventargsLayout#3]

See also