疯了，再次求助~~

Question

private void listViewSelected_MouseDoubleClick(object sender, MouseEventArgs e)
        {
            ListViewItem lvi = this.listViewSelected.SelectedItems[0];
            listViewSelected.Items.Remove(lvi);
            
            ListViewItem newlvi = new ListViewItem();
            newlvi.SubItems[0].Text = lvi.SubItems[0].Text;
            newlvi.SubItems[1].Text = lvi.SubItems[1].Text;  //这里报错
            newlvi.SubItems[2].Text = lvi.SubItems[3].Text;
            listViewUnselected.Items.Add(newlvi);            string tcNo = lvi.SubItems[0].Text;
            StudentManagerAction sma = new StudentManagerAction();
            sma.unselectCourse(selectedSNo, tcNo);
        }错误信息：
InvalidArgument=“1”的值对于“index”无效。
参数名: index帮帮忙吧~~
listview的处理老是有状况，又出问题了，今天都被他弄疯了
我怨念啊~~~~

Answer 1

newlvi.SubItems.AddRange(new ListViewItem.ListViewSubItem[3]);

Answer 2

listview几列
ListViewItem   item   =   new   ListViewItem(); 
item.Text   =   ""; 
item.SubItems.Add( ""); 
item.SubItems.Add( "");