private void InitializeDriver()
        {
            if (_driverSet)
            {
                return;
            }
            _driverSet = true;

            if (_driverHierarchyFilename == null)
            {
                _driverHierarchyFilename = Path.Combine(_rootDirectory, "driver_base_pos.knh");
                _driverHierarchyWatcher  = SimpleDirectoryWatcher.WatchFile(_driverHierarchyFilename, () => {
                    _driver?.AlignNodes(Knh.FromFile(_driverHierarchyFilename));
                });
            }

            var driver = _carData.GetDriverDescription();

            if (driver == null)
            {
                return;
            }

            var contentDirectory = Path.GetDirectoryName(Path.GetDirectoryName(_rootDirectory));

            if (contentDirectory == null)
            {
                return;
            }

            var driversDirectory = Path.Combine(contentDirectory, "driver");

            _driverModelFilename = Path.Combine(driversDirectory, driver.Name + ".kn5");
            _driverModelWatcher  = SimpleDirectoryWatcher.WatchFile(_driverModelFilename, ReloadDriverModel);
            LoadDriverModel();

            ObjectsChanged?.Invoke(this, EventArgs.Empty);
        }