gtkhtml-sharp 2.6.0.0 Gtk# is thread aware, but not thread safe; See the Gtk# Thread Programming for details. Enumeration for representing the possible alignment of paragraphs. System.Enum Field Gtk.HTMLParagraphAlignment Aligned with a straight left margin. Field Gtk.HTMLParagraphAlignment Aligned with a straight right margin. Field Gtk.HTMLParagraphAlignment Aligned so that every line is centered.