private void SelectFolderButton1_Click(object sender, RoutedEventArgs e)
        {
            var ookiiDialog = new VistaFolderBrowserDialog();

            if (ookiiDialog.ShowDialog() == true)
            {
                //MessageBox.Show(ookiiDialog.SelectedPath);
                MyFolders.Add(ookiiDialog.SelectedPath);
            }
        }