Application EventsDownload PDFSelected SectionSelected Section and Subsection(s)Entire ManualUpdated2026-02-042 minute(s) readLabVIEWAPI ReferenceLabVIEW G Application ActivationOccurs when the user activates LabVIEW.Application Instance CloseWhen 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.Application Instance Close?When registered for in a VI running inside a LabVIEW project, this event is generated when the application instance of the project is closed interactively, such as when you close the Project Explorer window or when you select File»Close All or File»Quit. When registered for in a VI running outside a project, this event is generated only when you exit LabVIEW through the user interface.Bookmark Info ChangeGenerated when the user changes a bookmark.Context Help Window UpdatedOccurs when the Context Help window is updated.NI Security User ChangeGenerated when the user logs into the application.TimeoutOccurs when the Event structure times out. Wire a value to the Timeout terminal at the top left of the Event structure to specify the number of milliseconds the Event structure should wait for an event to occur before generating a Timeout event.VI ActivationGenerated when you activate a VI window.VI DeactivationGenerated when you deactivate a VI window. This event fires when you remove focus from a VI.VI ScrollGenerated when the scroll position of the active VI window changes or when you resize the window.
Application ActivationOccurs when the user activates LabVIEW.Application Instance CloseWhen 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.Application Instance Close?When registered for in a VI running inside a LabVIEW project, this event is generated when the application instance of the project is closed interactively, such as when you close the Project Explorer window or when you select File»Close All or File»Quit. When registered for in a VI running outside a project, this event is generated only when you exit LabVIEW through the user interface.Bookmark Info ChangeGenerated when the user changes a bookmark.Context Help Window UpdatedOccurs when the Context Help window is updated.NI Security User ChangeGenerated when the user logs into the application.TimeoutOccurs when the Event structure times out. Wire a value to the Timeout terminal at the top left of the Event structure to specify the number of milliseconds the Event structure should wait for an event to occur before generating a Timeout event.VI ActivationGenerated when you activate a VI window.VI DeactivationGenerated when you deactivate a VI window. This event fires when you remove focus from a VI.VI ScrollGenerated when the scroll position of the active VI window changes or when you resize the window.
Application ActivationOccurs when the user activates LabVIEW.Application Instance CloseWhen 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.Application Instance Close?When registered for in a VI running inside a LabVIEW project, this event is generated when the application instance of the project is closed interactively, such as when you close the Project Explorer window or when you select File»Close All or File»Quit. When registered for in a VI running outside a project, this event is generated only when you exit LabVIEW through the user interface.Bookmark Info ChangeGenerated when the user changes a bookmark.Context Help Window UpdatedOccurs when the Context Help window is updated.NI Security User ChangeGenerated when the user logs into the application.TimeoutOccurs when the Event structure times out. Wire a value to the Timeout terminal at the top left of the Event structure to specify the number of milliseconds the Event structure should wait for an event to occur before generating a Timeout event.VI ActivationGenerated when you activate a VI window.VI DeactivationGenerated when you deactivate a VI window. This event fires when you remove focus from a VI.VI ScrollGenerated when the scroll position of the active VI window changes or when you resize the window.