Кодировка в текстовом редакторе

unit Unit1;
 
interface
 
uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, Menus, StdCtrls, ComCtrls;
 
type
  TForm1 = class(TForm)
    RichEdit1: TRichEdit;
    MainMenu1: TMainMenu;
    OpenDialog1: TOpenDialog;
    SaveDialog1: TSaveDialog;
    FontDialog1: TFontDialog;
    N1: TMenuItem;
    N2: TMenuItem;
    N3: TMenuItem;
    N4: TMenuItem;
    N5: TMenuItem;
    N6: TMenuItem;
    procedure N2Click(Sender: TObject);
    procedure N3Click(Sender: TObject);
    procedure N4Click(Sender: TObject);
    procedure N6Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;
 
var
  Form1: TForm1;
 
implementation
 
{$R *.dfm}
 
procedure TForm1.N2Click(Sender: TObject);
begin
if opendialog1.Execute then
richedit1.Lines.LoadFromFile(opendialog1.FileName);
end;
 
procedure TForm1.N3Click(Sender: TObject);
begin
if savedialog1.Execute then
richedit1.Lines.SaveToFile(savedialog1.FileName);
end;
 
procedure TForm1.N4Click(Sender: TObject);
begin
close;
end;
 
procedure TForm1.N6Click(Sender: TObject);
begin
if fontdialog1.Execute then
RichEdit1.SelAttributes.Assign(Fontdialog1.Font);
end;
 
end.

procedure SaveToFile(const FileName: string; Encoding: TEncoding); virtual; overload;

memo1.Font.Assign(Fontdialog1.Font);