typedef void __fastcall (__closure *TAdapterActionExecuteHandledEvent)(System::TObject* Sender, System::TObject* Action, System::Classes::TStrings* Params, bool &Handled);
TAdapterActionExecuteHandledEvent is the type for event handlers on adapter objects that are called when one of its actions executes.
TAdapterActionExecuteHandledEvent is the type for event handlers of an adapter that can perform some or all of the tasks required when an action executes.
Sender is the adapter component.
Action is the action object that is executing.
Params lists the parameters for the action, in 'Name=Value' format.
Handled returns true if the event handler executes the action, false if the adapter should continue with its default processing of the action.