vc菜单中增加增加一个菜单项

CMFCToolBar* pUserToolbar = (CMFCToolBar*)lres;
ASSERT_VALID(pUserToolbar);

BOOL bNameValid;
CString strCustomize;
bNameValid = strCustomize.LoadString(IDS_TOOLBAR_CUSTOMIZE);
ASSERT(bNameValid);

pUserToolbar->EnableCustomizeButton(TRUE, ID_VIEW_CUSTOMIZE, strCustomize);
return lres;
}