TActionEvent type
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The type of events that occur when processing actions.

Unit
Actnlist  

Declaration
type   
  TActionEvent = procedure(Action: TBasicAction; var Handled: Boolean) of object;  

Description
TActionEvent is the type of event handlers that respond at various points in the processing of actions. The Action parameter is the action that was triggered by a user action or that is currently being updated while the application is idle. The Handled parameter indicates whether the event handler executed or updated the action. Set Handled to True in the event handler to stop further processing of the action.