Question : How can i hide root level of TreeView in Silverlight?

I need to hide root level of tree view in Silverlight, but have no idea how to create such style, that would change only root level item.

Answer : How can i hide root level of TreeView in Silverlight?

There are various solutions for a ASP.NET(which will share many methods with a silverlight treeview) control at this thread:
http://forums.asp.net/t/1156518.aspx

near the bottom of the thread a CSS style is shown that you can tweak slightly to work with silverlight.