摘要：
CMenu subMenu, menuMain;
menuMain.CreateMenu();
subMenu.CreateMenu();
subMenu.AppendMenuW(MF_STRING | MF_ENABLED, Dyn_Menu_MFC,
TEXT("c++学院")); // 子项一
menuMain.AppendMenuW(MF_BYPOSITION | MF_POPUP | MF_STRING,
(UINT)subMenu.m_hMenu, TEXT("MFC"));//主菜单 阅读全文
