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
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  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
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  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
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  System.Object To be added: an object of type 'object' To be added

  Gets the instance of the collection with the change.