| CObject |
| └CCmdTarget |
| └CDocItem |
| └COleServerItem |
| └CDocObjectServerItem |
| CDocObjectServerItem | 构造一个CDocObjectServerItem对象 |
| OnHide | 如果框架要隐藏一个DocObject对象,产生异常 |
| OnOpen | 由框架调用,使DocObject项在框架内是活动的。如果项不是DocObject对象,调用COleServerItem::OnOpen |
| OnShow | 由框架调用,使DocObject项在框架内是活动的。如果项不是DocObject对象,调用COleServerItem::OnShow |