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title ms.date dev_langs helpviewer_keywords ms.assetid
How to: Create a Composite Shape 03/30/2017
csharp
vb
shapes [WPF], composite
composite shapes [WPF]
graphics [WPF], composite shapes
8e5c7ef4-d7ed-4c43-afc9-ca01325c300b

How to: Create a Composite Shape

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.

Example

[!code-xamlGeometrySample#19]

[!code-csharpGeometriesMiscSnippets_procedural_snip#CompositeShapeCodeExampleInline1] [!code-vbGeometriesMiscSnippets_procedural_snip#CompositeShapeCodeExampleInline1]

The following illustration shows the shape created in the previous example.

A composite geometry created using a GeometryGroup
Composite Geometry

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. 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.

This example is part of larger sample; for the complete sample, see the Geometries Sample.