When I compile in monodevelop, the example for the TreeView in the mono
handbook, located here:
http://www.gotmono.com/docs/gnome/bindings/gtk-sharp/treeview.html
The compiler reports:
TreeStore takes 2 arguments for the line:
store = new TreeStore ((int)TypeFundamentals.TypeString,
(int)TypeFundamentals.TypeString);