## The `events' property

Read-only, Nested vector of character vectors

Valid for: All objects

The `events` property returns a nested vector of the names of the events which are meaningful for a particular object (for example, 'onClick'). These are the event properties which can be triggered as a result of user action or by the system, and for which you might want to define APL callbacks.

Under Windows, for an OCX/ActiveX control, OLEContainer, or OLE Server Application, events defined by the external software will be included in the list, preceded by 'onX'.

Note: You can also define callbacks for events which are not in this list (for example, you could define an 'onClick' callback for a Timer object). This is valid, but such a callback will never be triggered unless you explicitly call it using the `Trigger` method.

Topic: APLX Help : System Classes : Properties : events

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