CloseListerData

If a script add-inimplements the OnCloseLister event, the method receives a CloseListerData object before a Lister is closed.

Property Name	Return Type	Description
lister	object:Lister	Returns a Lister object representing the Lister that is closing.
prevent_save	bool	Set this to True to prevent the closing Lister from being saved as the new default Lister.
qualifiers	string	Returns a string indicating any qualifier keys that were held down by the user when the event was triggered. The string can contain any or all of the following: shift ctrl, alt, lwin, rwin If no qualifiers were down, the string will be: none
shutdown	bool	Returns True if the Lister is closing because Opus is shutting down.