---
title: "ScrollBar"
ms.date: "03/30/2017"
f1_keywords: 
  - "AutoGeneratedOrientationPage"
helpviewer_keywords: 
  - "ScrollBar control [WPF]"
  - "controls [WPF], ScrollBar"
ms.assetid: 60f27d35-8f7b-4285-89d2-28336a4c073a
---
# ScrollBar
A <xref:System.Windows.Controls.Primitives.ScrollBar> allows you to view content that is outside of the current viewing area by sliding the <xref:System.Windows.Controls.Primitives.Thumb> to make the content visible.  
  
## In This Section  
 [Customize the Thumb Size on a ScrollBar](how-to-customize-the-thumb-size-on-a-scrollbar.md)  
  
## Reference  
 <xref:System.Windows.Controls.Primitives.ScrollBar>  
  <xref:System.Windows.Controls.Primitives.Track>  
  <xref:System.Windows.Controls.Primitives.Thumb>  
  <xref:System.Windows.Controls.ScrollViewer>