Visual Treemap in Winforms

Question

Are there any frameworks for building squarified treemaps in C# 2.0 WinForms?

Something similar to this:

Answer 1

Microsoft Research put one together.

Don't know how easy it is use.

http://research.microsoft.com/en-us/downloads/dda33e92-f0e8-4961-baaa-98160a006c27/default.aspx