TAction.OnUpdate property
Event handler signalled to update an action when the application is idle.
Declaration
property OnUpdate:;Description
OnUpdate is the event triggered when the application is idle, and
the action is being updated. The
OnUpdate event can be used to set
the state of the action, for instance disable it if the action cannot be
executed at this point in time.
See also
An experiment, built from development snapshots. Not the official Free Pascal or Lazarus documentation.