Digitally Signing a XAP Silverlight - John Papa. I’ve been referring a lot of people lately to the steps to sign a XAP.
So I decided to post an excerpt I wrote about signing Silverlight XAP files in the Silverlight 4 Whitepaper on Channel 9 here to help spread the word. The signing process is important if you are creating an elevated trust out of browser application because it helps: Reassure your users that the application is authenticAllow updates to elevated trust applications. Jeff Prosise's Blog : Cool Silverlight Trick #3. One of the areas of Silverlight that not much has been written about yet is the factoring of applications.
Applications don’t have to be packaged in one big XAP file; Silverlight presents numerous options for dividing code and resources among multiple assemblies, packaging resources inside or outside the XAP file in one file or multiple files, and loading assemblies and resources at load time or on demand. And for one feature in particular, much of what has been written is wrong. It’s time to set the record straight and learn something really cool at the same time. Suppose you’re writing a Silverlight application that uses classes in a library assembly named HelperLib.dll.
You add a reference to HelperLib.dll to your project and HelperLib.dll gets embedded in the application package (the XAP file) and loaded into the AppDomain automatically.