OnButtonDelete()  {   POSITION pos = m_list.GetFirstSelectedItemPosition();   int idx = m_list.GetNextSelectedItem(pos);   while (idx != -1){     LVITEM lvi;            lvi.iItem = idx;            lvi.iSubItem = 0;            lvi.mask = LVIF_IMAGE;            if (m_list.GetItem(&lvi)){       m_imgList.Remove(lvi.iImage); //同時刪除ImageList中的對應(yīng)圖片     }            m_list.DeleteItem(idx);          idx = m_list.GetNextSelectedItem(pos);   }

  m_list.Arrange(LVA_DEFAULT);   m_list.RedrawItems(0, m_list.GetItemCount()); }