MessageDlg

function MessageDlg(

  const aMsg: string;

  DlgType: TMsgDlgType;

  Buttons: TMsgDlgButtons;

  HelpCtx: LongInt

):Integer;

function MessageDlg(

  const Fmt: string;

  Args: array of Const;

  DlgType: TMsgDlgType;

  Buttons: TMsgDlgButtons;

  HelpCtx: LongInt

):Integer;