glib-sharp 0.0.0.0 Gtk# is thread aware, but not thread safe; See the Gtk# Thread Programming for details. Wrapper class for delegates. System.Object Method System.Boolean IMPORTANT: this method must be the first one called from the callback methods that are invoked from unmanaged code. a If this method returns , the object that created the delegate wrapper no longer exists and the instance of the delegate itself is removed from the hash table. Constructor The is the object that creates the instance of the DelegateWrapper derived class or null if created from a static method. a a Note that the instances will never be disposed if they are created in a static method.