I’m in a very, very bad mood

Need help with error-ridden downloaded WPF code ASAP.

Downloaded and book code for WPF MainPage.xaml.cs (Chapter 1) absolutely does not for with Viz Studio 2010. Pretty much everything does not exist in the current context, based on the correct code I downloaded from the site. Can you provide a remedy or is this book no good with my version Viz Studio?
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