private void button_Delete_Click(object sender, RoutedEventArgs e) { string NewFileName; string OldFileName; for (int i = 0; i < listView.Items.Count; i++) { NewFileName = Path.GetDirectoryName(listView.Items[i].ToString()) + @"\1.tmp"; OldFileName = listView.Items[i].ToString(); // 파일 이름 변경 File.Move(OldFileName, NewFileName); File.Delete(NewFileName); } DeleteSubDirectory(DeleteSubDirs); if (listView.Items.Count >= 0) { listViewItem.Clear(); } button_Delete.IsEnabled = false; }