gtkhtml-sharp2.8.0.0Gtk# is thread aware, but not thread safe; See the Gtk# Thread Programming for details.Enumeration for how HTML font styles can be changed.System.EnumFieldGtk.HTMLFontStyleShiftBold font style.FieldGtk.HTMLFontStyleShiftItalic font style.FieldGtk.HTMLFontStyleShiftUnderlined font style.FieldGtk.HTMLFontStyleShiftStrikeout font style.FieldGtk.HTMLFontStyleShiftFixed-width font style.FieldGtk.HTMLFontStyleShiftSubscript font style.FieldGtk.HTMLFontStyleShiftSuperscript font style.