gdk-sharp 2.6.0.0 Gtk# is thread aware, but not thread safe; See the Gtk# Thread Programming for details. Determines how drawing onto a window will affect child windows of that window. None. System.Enum GLib.GType(WrapperType=typeof(Gdk.SubwindowModeGType)) Field Gdk.SubwindowMode Only draw onto the window itself. Field Gdk.SubwindowMode Draw onto the window and child windows.