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30 lines
2.0 KiB
Markdown
30 lines
2.0 KiB
Markdown
---
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title: "How to: Use the Content-Scrolling Methods of ScrollViewer"
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ms.date: "03/30/2017"
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dev_langs:
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- "csharp"
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- "vb"
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helpviewer_keywords:
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- "IScrollInfo interface [WPF]"
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- "scrolling methods [WPF]"
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- "ScrollViewer control [WPF], scrolling methods"
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ms.assetid: 4708cc65-6510-45f8-82e6-30b0d3e30045
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---
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# How to: Use the Content-Scrolling Methods of ScrollViewer
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This example shows how to use the scrolling methods of the <xref:System.Windows.Controls.ScrollViewer> element. These methods provide incremental scrolling of content, either by line or by page, in a <xref:System.Windows.Controls.ScrollViewer>.
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## Example
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The following example creates a <xref:System.Windows.Controls.ScrollViewer> named `sv1`, which hosts a child <xref:System.Windows.Controls.TextBlock> element. Because the <xref:System.Windows.Controls.TextBlock> is larger than the parent <xref:System.Windows.Controls.ScrollViewer>, scroll bars appear in order to enable scrolling. <xref:System.Windows.Controls.Button> elements that represent the various scrolling methods are docked on the left in a separate <xref:System.Windows.Controls.StackPanel>. Each <xref:System.Windows.Controls.Button> in the [!INCLUDE[TLA2#tla_xaml](../../../includes/tla2sharptla-xaml-md.md)] file calls a related custom method that controls scrolling behavior in <xref:System.Windows.Controls.ScrollViewer>.
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[!code-xaml[ScrollViewerMethods#1](~/samples/snippets/csharp/VS_Snippets_Wpf/ScrollViewerMethods/CSharp/Window1.xaml#1)]
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The following example uses the <xref:System.Windows.Controls.ScrollViewer.LineUp%2A> and <xref:System.Windows.Controls.ScrollViewer.LineDown%2A> methods.
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[!code-csharp[ScrollViewerMethods#2](~/samples/snippets/csharp/VS_Snippets_Wpf/ScrollViewerMethods/CSharp/Window1.xaml.cs#2)]
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[!code-vb[ScrollViewerMethods#2](~/samples/snippets/visualbasic/VS_Snippets_Wpf/ScrollViewerMethods/VisualBasic/Window1.xaml.vb#2)]
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## See also
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- <xref:System.Windows.Controls.ScrollViewer>
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- <xref:System.Windows.Controls.StackPanel>
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