glib-sharp 2.8.0.0 Gtk# is thread aware, but not thread safe; See the Gtk# Thread Programming for details. Wrapper class for delegates. System.Object Constructor The is the object that creates the instance of the DelegateWrapper derived class or null if created from a static method. a Note that the instances will never be disposed if they are created in a static method. System.Obsolete(Message="Callback wrappers should be manually managed for persistence.", IsError=False)