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30 lines
2.5 KiB
Markdown
30 lines
2.5 KiB
Markdown
---
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title: "How to: Create a Composite Shape"
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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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- "shapes [WPF], composite"
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- "composite shapes [WPF]"
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- "graphics [WPF], composite shapes"
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ms.assetid: 8e5c7ef4-d7ed-4c43-afc9-ca01325c300b
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---
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# How to: Create a Composite Shape
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This example shows how to create composite shapes using <xref:System.Windows.Media.Geometry> objects and display them using a <xref:System.Windows.Shapes.Path> element. In the following example, a <xref:System.Windows.Media.LineGeometry>, <xref:System.Windows.Media.EllipseGeometry>, and a <xref:System.Windows.Media.RectangleGeometry> are used with a <xref:System.Windows.Media.GeometryGroup> to create a composite shape. The geometries are then drawn using a <xref:System.Windows.Shapes.Path> element.
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## Example
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[!code-xaml[GeometrySample#19](~/samples/snippets/csharp/VS_Snippets_Wpf/GeometrySample/CS/combininggeometriesexample.xaml#19)]
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[!code-csharp[GeometriesMiscSnippets_procedural_snip#CompositeShapeCodeExampleInline1](~/samples/snippets/csharp/VS_Snippets_Wpf/GeometriesMiscSnippets_procedural_snip/CSharp/CompositeShapeExample.cs#compositeshapecodeexampleinline1)]
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[!code-vb[GeometriesMiscSnippets_procedural_snip#CompositeShapeCodeExampleInline1](~/samples/snippets/visualbasic/VS_Snippets_Wpf/GeometriesMiscSnippets_procedural_snip/visualbasic/compositeshapeexample.vb#compositeshapecodeexampleinline1)]
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The following illustration shows the shape created in the previous example.
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Composite Geometry
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More complex shapes, such as polygons and shapes with curved segments, may be created using a <xref:System.Windows.Media.PathGeometry>. For an example showing how to create a shape using a <xref:System.Windows.Media.PathGeometry>, see [Create a Shape by Using a PathGeometry](how-to-create-a-shape-by-using-a-pathgeometry.md). Although this example renders a shape to the screen using a <xref:System.Windows.Shapes.Path> element, <xref:System.Windows.Media.Geometry> objects may also be used to describe the contents of a <xref:System.Windows.Media.GeometryDrawing> or a <xref:System.Windows.Media.DrawingContext>. They may also be used for clipping and hit-testing.
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This example is part of larger sample; for the complete sample, see the [Geometries Sample](https://github.com/Microsoft/WPF-Samples/tree/master/Graphics/Geometry).
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