private void ResetPositionClickCommandExecute(ListView listView) { for (int j = listView.SelectedItems.Count - 1; j >= 0; j--) { MediaInfo mi = listView.SelectedItems[j] as MediaInfo; mi.PausedTime = 0; } //재생시간 초기화 저장 fileDAO.UpdatePlayList(listView.SelectedItems.AsEnumerable()); SelectionMode = ListViewSelectionMode.None; MainButtonGroupVisible = true; CheckListButtonGroupVisible = false; ReorderButtonGroupVisible = false; }