gdk-sharp 0.0.0.0 neutral Gtk# is thread aware, but not thread safe; See the Gtk# Thread Programming for details. Describes how existing data is combined with new data. None. System.Enum System.IComparable System.IConvertible System.IFormattable Field Gdk.PropMode The new data replaces the existing data. Field Gdk.PropMode The new data is prepended to the existing data. Field Gdk.PropMode The new data is appended to the existing data. Field System.Int32 Internal field. Do not use.