How to determine if a WPF page is hosted in a Browser

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A WPF page can be host in a Web Browser, a Frame, or a NavigationWindow.

You can use BrowserInteropHelper.IsBrowserHosted to find out if a page is hosted in a browser.


if (BrowserInteropHelper.IsBrowserHosted) 
{
   // Yes hosted in a Browser
   TextBox1.Text = "Is Browser Hosted: " + BrowserInteropHelper.Source.ToString();
}
else 
{    
      TextBox1.Text = "Is not browser hosted";
}