if (pMenu->GetSubMenu(2)->GetMenuState(ID_STOP_SPOT_OP_MOSUE,MF_BYCOMMAND) == MF_UNCHECKED)
{
pMenu->GetSubMenu(2)->CheckMenuItem(ID_STOP_SPOT_OP_MOSUE,MF_CHECKED);
} else {
pMenu->GetSubMenu(2)->CheckMenuItem(ID_STOP_SPOT_OP_MOSUE,MF_UNCHECKED);
}
原文：http://www.cnblogs.com/okgogo2000/p/5759529.html