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36 lines
2.4 KiB
Markdown
36 lines
2.4 KiB
Markdown
---
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title: "How to: Animate an Object Along a Path (Matrix Animation)"
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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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- "animation [WPF], objects along paths (matrix animation)"
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- "matrix animation [WPF]"
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ms.assetid: 7000e697-1414-468c-b915-cf66062fc49e
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---
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# How to: Animate an Object Along a Path (Matrix Animation)
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This example shows how to use the <xref:System.Windows.Media.Animation.MatrixAnimationUsingPath> class to animate an object along a path that is defined by a <xref:System.Windows.Media.PathGeometry>.
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## Example
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The following example animates an object along a path by doing the following:
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- Applies a <xref:System.Windows.Media.MatrixTransform> to the object in order to move it.
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- Defines the path by using a <xref:System.Windows.Media.PathGeometry>.
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- Creates a <xref:System.Windows.Media.Animation.MatrixAnimationUsingPath> and uses it to animate the <xref:System.Windows.Media.Matrix> property of the <xref:System.Windows.Media.MatrixTransform>. The <xref:System.Windows.Media.Animation.MatrixAnimationUsingPath> takes the <xref:System.Windows.Media.PathGeometry> and uses it to generate <xref:System.Windows.Media.Matrix> values.
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[!code-xaml[PathAnimationGallery_snippet#MatrixAnimationUsingPathWholePage](~/samples/snippets/csharp/VS_Snippets_Wpf/PathAnimationGallery_snippet/CS/matrixanimationusingpathexample.xaml#matrixanimationusingpathwholepage)]
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[!code-csharp[PathAnimationGallery_procedural_snip#MatrixAnimationUsingPathWholePage](~/samples/snippets/csharp/VS_Snippets_Wpf/PathAnimationGallery_procedural_snip/CSharp/MatrixAnimationUsingPathExample.cs#matrixanimationusingpathwholepage)]
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[!code-vb[PathAnimationGallery_procedural_snip#MatrixAnimationUsingPathWholePage](~/samples/snippets/visualbasic/VS_Snippets_Wpf/PathAnimationGallery_procedural_snip/VisualBasic/MatrixAnimationUsingPathExample.vb#matrixanimationusingpathwholepage)]
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For the complete sample, see [Path Animation Sample](https://github.com/Microsoft/WPF-Samples/tree/master/Animation/PathAnimations). For more information about geometric paths, see the [Geometry Overview](geometry-overview.md).
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## See also
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- [Animation Overview](animation-overview.md)
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- [Path Animation Sample](https://github.com/Microsoft/WPF-Samples/tree/master/Animation/PathAnimations)
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- [Path Animation How-to Topics](path-animation-how-to-topics.md)
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