unit uFrameConfiguracion; interface uses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs; type IConfiguracionFrame = interface ['{07F3EDBF-DFED-4B76-ADC7-0D3B83FB6F9B}'] procedure Init; procedure Finalize; end; TFrameConfiguracion = class(TFrame, IConfiguracionFrame) protected procedure Finalize; virtual; abstract; public procedure Init; virtual; abstract; end; implementation {$R *.dfm} end.