如何修改右键弹出的菜单的内容

如何修改右键弹出的菜单的内容2008-01-19CMenu menu;

ClientToScreen（&point）;

VERIFY（ menu.LoadMenu（ IDR_MENU1 ））;

CMenu* popup = menu.GetSubMenu（0）;

ASSERT（ popup ！= NULL ）;

popup->EnableMenuItem（ID_POPUP1, MF_BYCOMMAND|MF_GRAYED）;

popup->ModifyMenu（ID_POPUP1,MF_BYCOMMAND,ID_POPUP1, "11"）;

popup->TrackPopupMenu（TPM_LEFTALIGN | TPM_RIGHTBUTTON, point.x, point.y, this ）;