c# infragictics context menu

Question

Can someone show me how to add a context menu to ultratreeview.
I want to be able to right click a specify node and bring up a context menu.

example of a basic ultratreeview

Test
  -
  -   + Food
  -
  - - - -  - beans   //I want to be able to right click the beans nodes and bring up a context menu etc.....
  -
  - - - -  - rice       //I want to be able to right click the rice nodes and bring up a context menu etc..........
  -        
  -   + Animals
  -
  - - - - - Gorilla
  -
  - - - - - Tiger