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unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    RadioButton1: TRadioButton;
    OpenDialog1: TOpenDialog;
    Button1: TButton;
    Button2: TButton;
    procedure Button1Click(Sender: TObject);
    procedure OpenDialog1SelectionChange(Sender: TObject);
    procedure Button2Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;
  datei: string;

implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
begin
 OpenDialog1.Execute;
end;

procedure TForm1.OpenDialog1SelectionChange(Sender: TObject);
begin
 datei:=opendialog1.FileName;
end;

procedure TForm1.Button2Click(Sender: TObject);
var crypted: string;
    i: integer;
    StringList: TStringList;
begin
 StringList:=TStringList.Create;
 crypted:=FiletoString(Datei);
  try
   For i:=0 to length(crypted) do
    crypted[i]:=char(byte(crypted[i]) xor 12);
     StringList.Add(crypted);
      finally
       showmessage(StringList.CommaText);
  end;
end;

end.