gtk-sharp 2.6.0.0 Gtk# is thread aware, but not thread safe; See the Gtk# Thread Programming for details. 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. System.Object Method System.Boolean Deprecated. a a a a Constructor Deprecated. Method System.Boolean Gets row information from a Drag Selection. a a a a