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35 lines
2.8 KiB
Markdown
35 lines
2.8 KiB
Markdown
---
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title: "How to: Define a Rectangle Using a RectangleGeometry"
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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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- "graphics [WPF], rectangles"
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- "rectangles [WPF], creating with RectangleGeometry class"
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ms.assetid: e40b8a8e-54b8-416b-a9f2-be6dca9fdf0b
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---
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# How to: Define a Rectangle Using a RectangleGeometry
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This example describes how to use the <xref:System.Windows.Media.RectangleGeometry> class to describe a rectangle.
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## Example
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The following example shows how to create and render a <xref:System.Windows.Media.RectangleGeometry>. The relative position and the dimensions of the rectangle are defined by a <xref:System.Windows.Rect> structure. The relative position is `50,50` and the height and the width are both `25` creating a square. The rectangle's interior is painted with a <xref:System.Windows.Media.Brushes.LemonChiffon%2A> brush and its outline is painted with a <xref:System.Windows.Media.Brushes.Black%2A> stroke with a thickness of `1`.
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[!code-xaml[GeometryOverviewSamples_snip#GraphicsMMRectangleGeometryExample](~/samples/snippets/csharp/VS_Snippets_Wpf/GeometryOverviewSamples_snip/CS/GeometryExamples.xaml#graphicsmmrectanglegeometryexample)]
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[!code-csharp[GeometryOverviewSamples_procedural_snip#GraphicsMMRectangleGeometryExample](~/samples/snippets/csharp/VS_Snippets_Wpf/GeometryOverviewSamples_procedural_snip/CSharp/GeometryExamples.cs#graphicsmmrectanglegeometryexample)]
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[!code-vb[GeometryOverviewSamples_procedural_snip#GraphicsMMRectangleGeometryExample](~/samples/snippets/visualbasic/VS_Snippets_Wpf/GeometryOverviewSamples_procedural_snip/visualbasic/geometryexamples.vb#graphicsmmrectanglegeometryexample)]
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RectangleGeometry
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Although this example used a <xref:System.Windows.Shapes.Path> element to render the <xref:System.Windows.Media.RectangleGeometry>, there are many other ways to use <xref:System.Windows.Media.RectangleGeometry> objects. For example, a <xref:System.Windows.Media.RectangleGeometry> can be used to specify the <xref:System.Windows.UIElement.Clip%2A> of a <xref:System.Windows.UIElement> or the <xref:System.Windows.Media.GeometryDrawing.Geometry%2A> of a <xref:System.Windows.Media.GeometryDrawing>.
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Other simple geometry classes include <xref:System.Windows.Media.LineGeometry> and <xref:System.Windows.Media.EllipseGeometry>. These geometries, as well as more complex ones, can also be created using a <xref:System.Windows.Media.PathGeometry> or <xref:System.Windows.Media.StreamGeometry>.
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## See also
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- [Geometry Overview](geometry-overview.md)
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- [Create a Composite Shape](how-to-create-a-composite-shape.md)
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- [Create a Shape by Using a PathGeometry](how-to-create-a-shape-by-using-a-pathgeometry.md)
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