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27 lines
1.6 KiB
Markdown
27 lines
1.6 KiB
Markdown
---
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title: "How to: Determine If a Page is Browser Hosted"
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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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- "hosted pages in browser [WPF]"
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- "pages [WPF], hosted in browser"
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ms.assetid: 737e0f26-8371-49b4-9579-70879e51e1aa
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---
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# How to: Determine If a Page is Browser Hosted
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This example demonstrates how to determine if a <xref:System.Windows.Controls.Page> is hosted in a browser.
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## Example
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A <xref:System.Windows.Controls.Page> can be host agnostic and, consequently, can be loaded into several different types of hosts, including a <xref:System.Windows.Controls.Frame>, a <xref:System.Windows.Navigation.NavigationWindow>, or a browser. This can happen when you have a library assembly that contains one or more pages, and which is referenced by multiple standalone and browsable (XAML browser application (XBAP)) host applications.
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The following example demonstrates how to use <xref:System.Windows.Interop.BrowserInteropHelper.IsBrowserHosted%2A?displayProperty=nameWithType> to determine if a <xref:System.Windows.Controls.Page> is hosted in a browser.
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[!code-csharp[HOWTOBrowserInteropHelperSnippets#IsBrowserHostedCODE](~/samples/snippets/csharp/VS_Snippets_Wpf/HOWTOBrowserInteropHelperSnippets/CSharp/Page1.xaml.cs#isbrowserhostedcode)]
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[!code-vb[HOWTOBrowserInteropHelperSnippets#IsBrowserHostedCODE](~/samples/snippets/visualbasic/VS_Snippets_Wpf/HOWTOBrowserInteropHelperSnippets/visualbasic/page1.xaml.vb#isbrowserhostedcode)]
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## See also
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- <xref:System.Windows.Controls.Frame>
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- <xref:System.Windows.Controls.Page>
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