System [00 00 00 00 00 00 00 00 04 00 00 00 00 00 00 00] 1.0.3300.0 1.0.5000.0 2.0.0.0 4.0.0.0 Gtk# is thread aware, but not thread safe; See the <link location="node:gtk-sharp/programming/threads">Gtk# Thread Programming</link> for details. System.Enum The class uses this enumeration. Specifies how the collection is changed. Field 1.0.5000.0 2.0.0.0 4.0.0.0 System.ComponentModel.CollectionChangeAction To be added Specifies that an element was added to the collection. Field 1.0.5000.0 2.0.0.0 4.0.0.0 System.ComponentModel.CollectionChangeAction To be added Specifies that the entire collection has changed. This is caused by using methods that manipulate the entire collection, such as . Field 1.0.5000.0 2.0.0.0 4.0.0.0 System.ComponentModel.CollectionChangeAction To be added Specifies that an element was removed from the collection.