Why doesn't an intelliprompt popup appear for generic type parameters?

Background:

In the Sample Browser's C# Getting Started 02 sample, let's say I add the following line to the DemoTest method:

var bob = System.Linq.Enumerable

Then, I press <

I'd expect to see an intellisense popup, displaying all the legal types for the generic type parameter. But nothing happens?

Questions:

1. Do you consider that an expected behavior?
2. If I wanted to add that manually, are there any included samples that would serve as a reference point? My main concern is ensuring I correctly identify the < character as a generic type parameter token, as opposed to less than.

Thanks,

-Craig