---
title: "How to: Animate a Rectangle"
ms.date: "03/30/2017"
dev_langs: 
  - "csharp"
  - "vb"
helpviewer_keywords: 
  - "animation [WPF], rectangles"
  - "rectangles [WPF], animating"
ms.assetid: 572ffb95-790d-4ace-adbf-b2ea8a90e75b
---
# How to: Animate a Rectangle
This example shows how to animate changes to the size and position of a rectangle.  
  
## Example  
 The following example uses an instance of the <xref:System.Windows.Media.Animation.RectAnimation> class to animate the <xref:System.Windows.Media.RectangleGeometry.Rect%2A> property of a <xref:System.Windows.Media.RectangleGeometry>, which animates changes to the size and position of the rectangle.  
  
 [!code-csharp[BasicAnimations_snip#RectAnimationWholePage](~/samples/snippets/csharp/VS_Snippets_Wpf/BasicAnimations_snip/CSharp/RectAnimationExample.cs#rectanimationwholepage)]
 [!code-vb[BasicAnimations_snip#RectAnimationWholePage](~/samples/snippets/visualbasic/VS_Snippets_Wpf/BasicAnimations_snip/VisualBasic/RectAnimationExample.vb#rectanimationwholepage)]  
  
## See also

- <xref:System.Windows.Media.Animation.RectAnimation>
- <xref:System.Windows.Media.RectangleGeometry.Rect%2A>
- <xref:System.Windows.Media.RectangleGeometry>
- [Animation Overview](animation-overview.md)
- [Graphics and Multimedia](index.md)
- [Graphics How-to Topics](graphics-how-to-topics.md)
- [Animation and Timing How-to Topics](animation-and-timing-how-to-topics.md)