procedure TForm1.Button1Click(Sender: TObject);
var i: Integer;
FontNames: NSArray;
begin
FontNames := TUIFont.OCClass.familyNames;
for i:=0 to FontNames.count - 1 do
Memo1.Lines.Add(i.ToString + #9 + UTF8ToString(TNSString.Wrap(FontNames.objectAtIndex(i)).UTF8String));
end;