Как добавить текущую страницу TWebBrowser в favorites?

// You need: 1 TEdit, 2 TButtons, 1 TWebbrowser 
// Du brauchst: 1 TEdit, 2 TButtons, 1 TWebbrowser 
 
const 
  NotAllowed: set of Char = ['"'] + ['/'] + ['\'] + ['?'] + [':'] + ['*'] + 
    ['<'] + ['>'] + ['|']; 
 
implementation 
 
{$R *.DFM} 
 
function Load(Path, Key: string): string; 
var 
  Reg: TRegistry; 
begin 
  Reg := TRegistry.Create; 
  try 
    Reg.RootKey := HKEY_CURRENT_USER; 
    Reg.OpenKey(Path, False); 
    try 
      Result := Reg.ReadString(Key); 
    except 
      Result := ''; 
    end; 
    Reg.CloseKey; 
  finally 
    Reg.Free; 
  end; 
end; 
 
function WinDir: string; 
var 
  WinDir: PChar; 
begin 
  WinDir := StrAlloc(MAX_PATH); 
  GetWindowsDirectory(WinDir, MAX_PATH); 
  Result := string(WinDir); 
  if Result[Length(Result)] <> '\' then 
    Result := Result + '\'; 
  StrDispose(WinDir); 
end; 
 
function GetSysDir: string; 
var 
  dir: array [0..MAX_PATH] of Char; 
begin 
  GetSystemDirectory(dir, MAX_PATH); 
  Result := StrPas(dir); 
end; 
 
// Navigate to a page 
 
procedure TForm1.Button1Click(Sender: TObject); 
begin 
  Webbrowser1.Navigate(edit1.Text); 
end; 
 
// Add the current page to the favorites 
 
procedure TForm1.Button2Click(Sender: TObject); 
var 
  url: TStringList; 
  fav: string; 
  title, b: string; 
  i: Integer; 
  c: Char; 
begin 
  fav := Load('Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders','Favorites'); 
  url := TStringList.Create; 
  try 
    url.Add('[InternetShortcut]'); 
    url.Add('URL=' + webbrowser1.LocationURL); 
    url.Add('WorkingDirectory=' + WinDir()); 
    url.Add('IconIndex=0'); 
    url.Add('ShowCommand=7'); 
    url.Add('IconFile=' + GetSysDir() + '\url.dll'); 
    title := Webbrowser1.LocationName; 
    b := ''; 
    for i := 1 to Length(title) do 
    begin 
      c := title[i]; 
      if not (c in NotAllowed) then 
      begin 
        b := b + Webbrowser1.LocationName[i]; 
      end; 
    end; 
    url.SaveToFile(fav + '\' + b + '.url'); 
  finally 
    url.Free; 
  end; 
end; 
 
end.

Взято с сайта https://www.swissdelphicenter.ch/en/tipsindex.php