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Andy (Steve) De George
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34 lines
1.8 KiB
Markdown
34 lines
1.8 KiB
Markdown
---
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title: "How to: Detect When the Enter Key Pressed"
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description: Detect when the Enter key is selected on the keyboard in Windows Presentation Foundation. This example consists of XAML and a code-behind file.
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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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- "Enter key [WPF], detecting"
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- "keys [WPF], Enter"
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ms.assetid: a66f39d2-ef4a-43a5-b454-a4ea0fe88655
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---
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# How to: Detect When the Enter Key Pressed
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This example shows how to detect when the <xref:System.Windows.Input.Key.Enter> key is pressed on the keyboard.
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This example consists of a Extensible Application Markup Language (XAML) file and a code-behind file.
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## Example
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When the user presses the <xref:System.Windows.Input.Key.Enter> key in the <xref:System.Windows.Controls.TextBox>, the input in the text box appears in another area of the user interface (UI).
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The following XAML creates the user interface, which consists of a <xref:System.Windows.Controls.StackPanel>, a <xref:System.Windows.Controls.TextBlock>, and a <xref:System.Windows.Controls.TextBox>.
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[!code-xaml[keydown#KeyDownUI](~/samples/snippets/csharp/VS_Snippets_Wpf/KeyDown/CSharp/Window1.xaml#keydownui)]
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The following code behind creates the <xref:System.Windows.UIElement.KeyDown> event handler. If the key that is pressed is the <xref:System.Windows.Input.Key.Enter> key, a message is displayed in the <xref:System.Windows.Controls.TextBlock>.
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[!code-csharp[keydown#KeyDownSample](~/samples/snippets/csharp/VS_Snippets_Wpf/KeyDown/CSharp/Window1.xaml.cs#keydownsample)]
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[!code-vb[keydown#KeyDownSample](~/samples/snippets/visualbasic/VS_Snippets_Wpf/KeyDown/VisualBasic/Window1.xaml.vb#keydownsample)]
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## See also
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- [Input Overview](input-overview.md)
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- [Routed Events Overview](routed-events-overview.md)
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