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35 lines
1.9 KiB
Markdown
35 lines
1.9 KiB
Markdown
---
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title: "How to: Use the Attached Properties of Canvas to Position Child Elements"
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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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- "cpp"
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helpviewer_keywords:
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- "attached properties [WPF Designer]"
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- "Canvas control [WPF], attached properties"
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ms.assetid: 48f1d25d-3820-4107-a4cc-d6c1e5664a44
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---
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# How to: Use the Attached Properties of Canvas to Position Child Elements
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This example shows how to use the attached properties of <xref:System.Windows.Controls.Canvas> to position child elements.
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## Example
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The following example adds four <xref:System.Windows.Controls.Button> elements as child elements of a parent <xref:System.Windows.Controls.Canvas>. Each element is represented by a <xref:System.Windows.Controls.Canvas.Bottom%2A>, <xref:System.Windows.Controls.Canvas.Left%2A>, <xref:System.Windows.Controls.Canvas.Right%2A>, and <xref:System.Windows.Controls.Canvas.Top%2A>.
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Each <xref:System.Windows.Controls.Button> is positioned relative to the parent <xref:System.Windows.Controls.Canvas> and according to its assigned property value.
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[!code-cpp[CanvasAttachedProperties#1](~/samples/snippets/cpp/VS_Snippets_Wpf/CanvasAttachedProperties/CPP/CanvasAttachedProps.cpp#1)]
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[!code-csharp[CanvasAttachedProperties#1](~/samples/snippets/csharp/VS_Snippets_Wpf/CanvasAttachedProperties/CSharp/CanvasAttachedProps.cs#1)]
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[!code-vb[CanvasAttachedProperties#1](~/samples/snippets/visualbasic/VS_Snippets_Wpf/CanvasAttachedProperties/VisualBasic/CanvasAttachedProps.vb#1)]
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## See also
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- <xref:System.Windows.Controls.Canvas>
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- <xref:System.Windows.Controls.Canvas.Bottom%2A>
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- <xref:System.Windows.Controls.Canvas.Left%2A>
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- <xref:System.Windows.Controls.Canvas.Right%2A>
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- <xref:System.Windows.Controls.Canvas.Top%2A>
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- <xref:System.Windows.Controls.Button>
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- [Panels Overview](panels-overview.md)
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- [How-to Topics](canvas-how-to-topics.md)
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- [Attached Properties Overview](../advanced/attached-properties-overview.md)
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