Add items from treeview to listview...!

Question

I am a beginner learning vc# .net......
I want to implement a program in which by clicking on a particular node of the treeview it is copied to the listview using hash table...the nodes of the treeview may have hard coded values like of streams(cse,it,me...etc.).and child nodes like names of students. It will be a great help....waiting for a reply soon....