Silverlight 5 XNA samples , I suppose, are built into Visual Studio Professional editions when when you open them in Visual Web Express 2010 it cannot open Content Projects.
NB: I reported this here , so stay tuned there.
How to use the content pipeline for a Silverlight 5 application using Visual Studio 2010 Express Editions? Or if this is not possible - how can I at least use the ContentManager to import pre-created .xnb files?
(I have all the requirements, except, apparently, Pro-editions, and you can draw primitives. I can actually run a sample platformer, so there should be a way)
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