- The typical usage is Deinitialization:>expr.
- Deinitialization is typically done when the cell containing a construct is deleted, or when the notebook containing it is closed.
- Deinitialization will never be performed unless initialization has previously been performed.
- Deinitialization may be delayed if, for example, a construct appears in an invisible location such as the clipboard.
- An object that has been deinitialized can be initialized again if it is restored as a result of using Undo. It may be deinitialized again through the use of Redo or any other action that deletes the object.
Introduced in 2007