الكتابة أو القرائة من نص - نسخة قابلة للطباعة

كود :
unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls;

type
  TForm1 = class(TForm)
    OpenDialog1: TOpenDialog;
    Memo1: TMemo;
    Memo2: TMemo;
    Button1: TButton;
    Button2: TButton;
       procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;
  Afile:textfile;

implementation

{$R *.dfm}



procedure TForm1.Button1Click(Sender: TObject);
var
  Afile:textfile;
S:string;
begin
AssignFile(Afile,OpenDialog1.FileName) ;
  Append(Afile) ;
 s:=memo1.Lines.Text;
  Writeln(Afile,s);
  CloseFile(AFile) ;
end;


procedure TForm1.Button2Click(Sender: TObject);
var
  Afile:textfile;
S:string;
begin
AssignFile(Afile,OpenDialog1.FileName) ;
   Append(Afile) ;
 s:=memo2.Lines.Text;
  Writeln(Afile,s);
  CloseFile(AFile) ;

end;

end.