多级接口实现方法

{多级接口实现方法    }
  {DateTime:2013.11.7}
  iFace = interface
    ['{68252415-0850-4B0D-89B5-C7F41C1E13F1}']
    function getFuc: string;
    procedure Msg;
  end;

  iBace = interface
    ['{607028C1-69BD-4FCA-A8F2-1A7051D236AD}']
    function GetFuc: integer;
    procedure Msg;
  end;

  Tface = class(TInterfacedObject, iFace, iBace)
  public
    { DONE : 设定别名 }
    function iFace.getFuc = iface_getFuc;
    procedure iFace.Msg = iface_Msg;
    function iBace.GetFuc = ibace_GetFuc;
    procedure iBace.Msg = iBace_Msg;
    { DONE : 重新命名 }
    function iface_getFuc: string;
    function ibace_GetFuc: integer;
    procedure iface_Msg;
    procedure iBace_Msg;
  end;

{ Tface }

function Tface.ibace_GetFuc: integer;
begin
  Result := 0;
end;

procedure Tface.iBace_Msg;
begin
  ShowMessage('iBace_Msg');
end;

function Tface.iface_getFuc: string;
begin
  Result := 'iface_GetFuc';
end;

procedure Tface.iface_Msg;
begin
  ShowMessage('iface_Msg');
end;

procedure TForm1.Button1Click(Sender: TObject);              //调用
var
  Ta: Tface;
begin
  mmo1.Lines.Clear;
  try
    Ta := Tface.Create;
    mmo1.Lines.Add('iface_getFuc:   ' + Ta.iface_getFuc);
    mmo1.Lines.Add('iBace_getFuc:   ' + format('%d', [Ta.ibace_GetFuc]));
    Ta.iface_Msg;
    Ta.iBace_Msg;
  finally
    FreeAndNil(Ta);
  end;
end;