gdk-sharp 2.6.0.0 Gtk# is thread aware, but not thread safe; See the Gtk# Thread Programming for details. Do not use. System.Enum GLib.GType(WrapperType=typeof(Gdk.PixbufAlphaModeGType)) Field Gdk.PixbufAlphaMode Do not use. Field Gdk.PixbufAlphaMode Do not use.