DWORD dwPos = GetMessagePos();
CPoint point( LOWORD(dwPos), HIWORD(dwPos) );
m_list.ScreenToClient(&point);
LVHITTESTINFO lvinfo;
lvinfo.pt = point ;
lvinfo.flags = LVHT_ABOVE ;
int nRowSelected,nColSelected ;
int nItem = m_list.SubItemHitTest(&lvinfo);
if(nItem != -1)
{ nRowSelected = lvinfo.iItem ; nColSelected = lvinfo.iSubItem ; }