Matthew MacDonald is an author, educator, and Microsoft MVP. He’s the author of more than a dozen books about .NET programming, including Pro Silverlight 3 in C# (Apress, 2009), Pro ASP.NET 3.5 in C# (Apress, 2007), and the previous edition of this book, Pro WPF in C# 2008 (Apress, 2008). He lives in Toronto with his wife and two daughters.