本代码对CListCtrl控件进行了一个扩展，使它即可以编辑主项[Item]，又可以编辑子项[SubItem]，并尽量符合CListCtrl的操作习惯。 -The code of a CListCtrl control an extended, so that it can edit the main items that the [Item], also can edit the subkey [SubItem], and as far as possible consistent wit