C / C++ / MFC

// Sort the item in reverse alphabetical order.

static int CALLBACK 
MyCompareProc(LPARAM lParam1, LPARAM lParam2, LPARAM lParamSort)
{
   // lParamSort contains a pointer to the list view control.
   CListCtrl* pListCtrl = (CListCtrl*) lParamSort;
   CString    strItem1 = pListCtrl->GetItemText(lParam1, 0);
   CString    strItem2 = pListCtrl->GetItemText(lParam2, 0);

   return strcmp(strItem2, strItem1);
}

void snip_CListCtrl_SortItems()
{
   // The pointer to my list view control.
   extern CListCtrl* pmyListCtrl;

   // Sort the list view items using my callback procedure.
   pmyListCtrl->SortItems(MyCompareProc, (LPARAM) pmyListCtrl);
}

class ExceptionHandle 
{ 
public: 
  ExceptionHandle(const char *error) : eMessage(error) {} 
  const char *what()
  { 
    return (LPCTSTR)eMessage; 
  } 

private: 
  CString eMessage; 
}; 

catch (ExceptionHandle& e) 
{ 
cerr << e.what(); 
}