gio-sharp System.Delegate `` `` System.Void Event sender. Event arguments. Event handler.

The following events utilize this delegate:

Event data is passed via the parameter.

To attach a to an event, add the ActionEnabledChangedHandler instance to the event. The methods referenced by the ActionEnabledChangedHandler instance are invoked whenever the event is raised, until the ActionEnabledChangedHandler is removed from the event.