When registered for in a VI running inside a LabVIEW project, generated when the application instance of the project is closed for any reason, such as when you close the Project Explorer window, when you select File»Close All or File»Quit, or when you run a VI that executes the Quit LabVIEW function. When registered for in a VI running outside a project, generated when you exit LabVIEW through the user interface or with the Quit LabVIEW function.

Event Data Fields

Name Description
Source

Source of the event. LabVIEW UI refers to any built-in user interface event.

0LabVIEW UI
Type

Type of event that occurred, such as Mouse Down, Value Change, Timeout, and so on.
Time

Value of the millisecond timer when the event occurred.
AppRef

Reference to the application on which this event occurred.