| Data member | Description |
|---|---|
| m_nID | The identifier of the user-interface object. |
| m_nIndex | The index of the user-interface object. |
| m_pMenu | Points to the menu represented by the CCmdUI object. |
| m_pSubMenu | Points to the contained submenu represented by the CCmdUI object. |
| m_pOther | Points to the window object that sent the notification. |