Communicating with a Web Page
The WebBrowser.InvokeScript method allows you to call JavaScript functions on a web page, and unlike Silverlight for the desktop, it is not restricted to scripts loaded from the same site as the XAP package. This method allows you to pass the JavaScript function an array of string parameters and is useful when you want to interact with the page, such as by highlighting text, changing the visibility of particular elements, or by adding behavior to a page through subscription to existing client-side events.
Conversely, a web page is able to send messages to your app using the client-side JavaScript method window.external.Notify, which raises the WebBrowser.ScriptNotify event, passing a single string argument.
The example ...
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