Visual Studio 2012 and Blend – the designer only shows XAML and the remedy
With VS2010; Blend was shipped as a stand alone product. With VS2012; Blend was bundled. Almost.
The Blend that comes with VS2012 only does Win8 ModernUI apps.
But there is a remedy: download Blend preview from here: http://bit.ly/U3Opxh. Login might be required.