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.EventArgs A event is raised when you change which items are in a collection, for example, by adding an element to a collection or removing an element from the collection. This event is not raised when an individual element changes its value. Provides data for the event. Constructor 1.0.5000.0 2.0.0.0 4.0.0.0 To be added Initializes a new instance of the class. One of the values that specifies how the collection changed. An that specifies the instance of the collection where the change occurred. Property 1.0.5000.0 2.0.0.0 4.0.0.0 System.ComponentModel.CollectionChangeAction To be added: an object of type 'CollectionChangeAction' This property can have one of the following values: Action Property value An element was added to the collection CollectionChangeAction.Add An element was removed from the collection CollectionChangeAction.Remove The collection was completely changed CollectionChangeAction.Refresh Gets an action that specifies how the collection changed. Property 1.0.5000.0 2.0.0.0 4.0.0.0 System.Object To be added: an object of type 'object' To be added Gets the instance of the collection with the change.