He shows techniques on how to use the “Custom…” dialog ( below ) to control how a DGML document is created as well as numerous techniques involving the cascading browser we call the “Architecture Explorer”, and layout strategies.
The video is 20 minutes that is highly leveraged, so please take the time and check it out! You’ll not only learn some great techniques on visualizing your larger code bases, but other little tips and tricks, such as hitting Ctrl-Alt-Shift-F12 twice inside Visual Studio will force the runtime to garbage collect! Great stuff! 🙂