gtk-sharp Gtk# is thread aware, but not thread safe; See the Gtk# Thread Programming for details. System.Object A tree . is deprecated and unsupported. It is known to be buggy. To use it, you must define the symbol prior to includng the Gtk# header files. Use instead. The widget is a container that shows users a list of items, in a tree format complete withbranches and leafnodes. Branches can be expanded to show their child items, or collapsed to hide them. Constructor Deprecated. Method System.Boolean To be added. To be added. To be added. To be added. To be added. To be added. Method System.Boolean To be added. To be added. To be added. To be added. To be added. To be added.