private void button_recFolderDel_Click(object sender, RoutedEventArgs e)
{
if (listView_recFolder.SelectedItem != null)
{
recSetting.RecFolderList.RemoveAt(listView_recFolder.SelectedIndex);
listView_recFolder.ItemsSource = null;
listView_recFolder.ItemsSource = recSetting.RecFolderList;
}
}