Introduction - If you have any usage issues, please Google them yourself
The separation of XAML and code is essentially the same as the separation between HTML markup and an ASP.NET code behind file. This is a far cry from the visually limiting, drag and drop interface left over even from the VB 5 days. The clear benefit is that, with tools like Expressions, an application’s UI can be designed by a graphics team while a development team remains focused on development.