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unit pswd;

interface

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

type
  TForm1 = class(TForm)
    OK: TButton;
    pswd1: TLabeledEdit;
    pswd2: TLabeledEdit;
    procedure OKClick(Sender: TObject);
    procedure FormCreate(Sender: TObject);
  private
    { Private-Deklarationen }
  public
    { Public-Deklarationen }
  end;

var
  Form1: TForm1;
  reg:TRegistry;
  zwischen,fertig:int64;
  anfang,versch:string;
implementation

uses main;

{$R *.dfm}

procedure TForm1.OKClick(Sender: TObject);
begin
if pswd2.Visible=true then begin
   if pswd1.Text=pswd2.Text then begin
      reg.OpenKey('\SOFTWARE\TopSecur',false);
      reg.WriteString('pwd',pswd1.Text);
      Form2.show;
      Form1.Visible:=false;
   end;
end;
end;

procedure TForm1.FormCreate(Sender: TObject);
begin
reg.RootKey:=HKEY_LOCAL_MACHINE;
if reg.KeyExists('\SOFTWARE\TopSecur') then begin
   pswd2.Visible:=false;
end
else
reg.CreateKey('\SOFTWARE\TopSecur');

end;


end.					

1:

reg := TREgistry.Create;					

1:

reg.Free;					

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reg := TRegistry.Create;					

1:

reg.Free;