This data member contains a pointer to the contained submenu (a CMenu object) represented by the CCmdUI object. Its value is NULL if the item is not a menu. If the submenu is a pop-up, m_nID contains the identifier of the first item in the pop-up menu.
| Header file: | Afxwin.h | 
| Platforms: | H/PC 2.0, Palm-size PC, H/PC Pro | 
| Windows CE versions: | 1.0 and later | 
| Complete documentation: | Visual C++ documentation | 
CMenu* m_pSubMenu;