[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index] Reference for unit 'Forms' (#lcl)

TApplication.DoOnHelp

OnHelp message handler. Tries OnHelp handlers of the active form, Application OnHelp and application Help handlers.

Declaration

Source position: forms.pp line 1377

protected function TApplication.DoOnHelp(

  Command: Word;

  Data: PtrInt;

  var CallHelp: Boolean

):Boolean; virtual;

Function result

True when the message was handled.

See also

TApplication.OnHelp

  

Event handler when help is requested.

TApplicationHandlerType.ahtHelp

  

Handler invoked on F1 key (help request)