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copied!<p>It is still possible, though the experience is very different. You must load an initial Root visual element via a source property on the Silverlight object referencing a XAML file on the server, but after that you have full access to the visual tree via javascript.</p> <p>The below Test.html and Root.xaml files together will produce a testable page if placed in the same folder.</p> <p>Note the differences from a "standard" (i.e. *.xap source) scenario - the 'source' parameter on the SL object tag is set to a .XAML file instead of a .XAP file. The .XAML file is also different from what you would get in a default SL application in VS: the x:Class="MyApp.MainPage" is missing from the root element, and the root element is a Grid (or any Visual element) instead of a UserControl element. This is because there is no application (at least not loaded from the .XAP - I assume the SL control actually creates a default application instance in the process of loading the Root.XAML file), and no UserControl because there is no code-behind. This is consistent with the Pre-SL1.1/2.0 experience of no UserControls.</p> <p>Additionally, you will need to reference <a href="http://msdn.microsoft.com/en-us/library/bb979679%28v=VS.95%29.aspx" rel="nofollow">Javascript API for Silverlight Reference</a> in your javascript coding. Have fun with the FindName method and/or walking the Visual Tree! Those are the only ways to get references to any visual objects to manipulate from your code!</p> <p>Test.html</p> <pre><code><html> <body> <object id="slObject" data="data:application/x-silverlight-2," type="application/x-silverlight-2" width="400" height="300"> <param name="source" value="Root.xaml"/> <param name="onError" value="onSilverlightError" /> <param name="background" value="white" /> <param name="minRuntimeVersion" value="4.0.50826.0" /> <param name="autoUpgrade" value="true" /> <a href="http://go.microsoft.com/fwlink/?LinkID=149156&v=4.0.50826.0" style="text-decoration:none"> <img src="http://go.microsoft.com/fwlink/?LinkId=161376" alt="Get Microsoft Silverlight" style="border-style:none"/> </a> </object> <input type="button" onclick="sayGoodBye();" value="Say Goodbye, Silverlight!" /> <script> function sayGoodBye() { var slObject = document.getElementById('slObject'); var slContent = slObject.Content; var layoutRoot = slContent.FindName('LayoutRoot'); var message = layoutRoot.FindName('Message'); message.Text = 'Goodbye'; } </script> </body> </html> </code></pre> <p>Root.xaml</p> <pre><code><Grid x:Name="LayoutRoot" Background="White" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" mc:Ignorable="d" d:DesignHeight="300" d:DesignWidth="400"> <TextBlock x:Name="Message" Text="Hello, Silverlight!" FontSize="30" HorizontalAlignment="Center" VerticalAlignment="Center" /> </Grid> </code></pre>

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