async private void renBut_Click(object sender, RoutedEventArgs e)
        {
            IEnumerable <IFileObject> selectedItem = GetSelectedItemsData();

            if (selectedItem.Count() == 0)
            {
                MessageBox.Show("No elements selected", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
                return;
            }
            if (selectedItem.Count() > 1)
            {
                MessageBox.Show("Multiple renaming is not supported", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
                return;
            }
            CreateFileOrDir cfd = new CreateFileOrDir(selectedItem.ToList()[0]);

            if (cfd.ShowDialog() == true)
            {
                try
                {
                    await Task.Run(() => UpdateView(FileOperator.ActiveDirectory));
                }
                catch (Exception ex)
                {
                    MessageBox.Show($"Unable to renew views: {ex.Message}", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
                    return;
                }
            }
        }
        async private void mkdirBut_Click(object sender, RoutedEventArgs e)
        {
            CreateFileOrDir crDial = new CreateFileOrDir(null, true);

            if (crDial.ShowDialog() == true)
            {
                await Task.Run(() => UpdateView(FileOperator.ActiveDirectory));
            }
        }