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31 lines
1.9 KiB
Markdown
31 lines
1.9 KiB
Markdown
---
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title: "How to: Get the Binding Object from a Bound Target Property"
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ms.date: "03/30/2017"
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helpviewer_keywords:
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- "data binding [WPF], getting binding objects from bound target properties"
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- "properties [WPF], getting binding objects from"
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ms.assetid: 87974c5f-136b-4de7-b07d-9285b62ab123
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---
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# How to: Get the Binding Object from a Bound Target Property
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This example shows how to obtain the binding object from a data-bound target property.
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## Example
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You can do the following to get the <xref:System.Windows.Data.Binding> object:
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[!code-csharp[BindValidation#GetBinding](~/samples/snippets/csharp/VS_Snippets_Wpf/BindValidation/CSharp/Window1.xaml.cs#getbinding)]
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> [!NOTE]
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> You must specify the dependency property for the binding you want because it is possible that more than one property of the target object is using data binding.
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Alternatively, you can get the <xref:System.Windows.Data.BindingExpression> and then get the value of the <xref:System.Windows.Data.BindingExpression.ParentBinding%2A> property.
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For the complete example see [Binding Validation Sample](https://github.com/Microsoft/WPF-Samples/tree/master/Data%20Binding/BindValidation).
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> [!NOTE]
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> If your binding is a <xref:System.Windows.Data.MultiBinding>, use <xref:System.Windows.Data.BindingOperations.GetMultiBinding%2A?displayProperty=nameWithType>. If it is a <xref:System.Windows.Data.PriorityBinding>, use <xref:System.Windows.Data.BindingOperations.GetPriorityBinding%2A?displayProperty=nameWithType>. If you are uncertain whether the target property is bound using a <xref:System.Windows.Data.Binding>, a <xref:System.Windows.Data.MultiBinding>, or a <xref:System.Windows.Data.PriorityBinding>, you can use <xref:System.Windows.Data.BindingOperations.GetBindingBase%2A?displayProperty=nameWithType>.
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## See also
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- [Create a Binding in Code](how-to-create-a-binding-in-code.md)
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- [How-to Topics](data-binding-how-to-topics.md)
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