unit Unit1;

interface

uses

  System.Hash, Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,

  Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Vcl.ExtCtrls;

type

  TForm1 = class(TForm)

    ListBox1: TListBox;

    btnAction: TButton;

    procedure btnActionClick(Sender: TObject);

  private

    { Private declarations }

  public

    { Public declarations }

  end;

var

  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.btnActionClick(Sender: TObject);

begin

  self.ListBox1.Items.Add(THash.GetRandomString(32));

end;

end.