gtkhtml-sharp2.0.0.0Gtk# is thread aware, but not thread safe; See the Gtk# Thread Programming for details.Enumerations for different types of etched lines.System.EnumFieldGtk.HTMLEtchStyleAn etched line that looks like it's lower than the surrounding pixels.FieldGtk.HTMLEtchStyleAn etched line that looks like it's higher than the surrounding pixels.FieldGtk.HTMLEtchStyleTo be addedFieldSystem.Int32Internal field.Do not use.