I am writing an auction program but i have come to a screecking halt. I have a treeview list were i can ad nodes and child nodes i want to be able to save the collection of nodes to a file so that it can be opened and edited my my program users so they can keep stuff in order. but i can not save it as a treenodecollection because if throws a I/O error when it tries to save a treenodecollection object what can i do to fix this problem!!! Please Help!!! And thanks for any help you give!

also my user name use to be "B2E" but it does not work anymore and half the time i try to come to this site it does not work!