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31 lines
1.5 KiB
Markdown
31 lines
1.5 KiB
Markdown
---
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title: "How to: Bind the Properties of Two Controls"
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ms.date: "03/30/2017"
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helpviewer_keywords:
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- "data binding [WPF], binding properties of two controls"
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- "binding properties of two controls [WPF]"
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- "controls [WPF], binding properties of"
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ms.assetid: 06318fac-6afd-4c7d-a277-6d7ef50f47bc
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---
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# How to: Bind the Properties of Two Controls
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This example shows how to bind the property of one instantiated control to that of another using the <xref:System.Windows.Data.Binding.ElementName%2A> property.
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## Example
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The following example shows how to bind the <xref:System.Windows.Controls.Panel.Background%2A> property of a <xref:System.Windows.Controls.Canvas> to the [SelectedItem.Content](xref:System.Windows.Controls.ContentControl.Content%2A) property of a <xref:System.Windows.Controls.ComboBox>:
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[!code-xaml[BindDptoDp#1](~/samples/snippets/csharp/VS_Snippets_Wpf/BindDPtoDP/CS/Window1.xaml#1)]
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When this example is rendered it looks like the following:
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> [!NOTE]
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> The binding target property (in this example, the <xref:System.Windows.Controls.Panel.Background%2A> property) must be a dependency property. For more information, see [Data Binding Overview](/dotnet/desktop-wpf/data/data-binding-overview).
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## See also
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- [Specify the Binding Source](how-to-specify-the-binding-source.md)
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- [How-to Topics](data-binding-how-to-topics.md)
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