private void Window_Closing(object sender, System.ComponentModel.CancelEventArgs e)
{
extList.Clear();
foreach (string info in listBox_ext.Items)
{
extList.Add(info);
}
delChkFolderList.Clear();
foreach (string info in listBox_chk_folder.Items)
{
delChkFolderList.Add(info);
}
}