gtkhtml-sharp 2.0.0.0 Gtk# is thread aware, but not thread safe; See the Gtk# Thread Programming for details. Enumerations for different types of etched lines. System.Enum Field Gtk.HTMLEtchStyle An etched line that looks like it's lower than the surrounding pixels. Field Gtk.HTMLEtchStyle An etched line that looks like it's higher than the surrounding pixels. Field Gtk.HTMLEtchStyle To be added Field System.Int32 Internal field. Do not use.