C / C++ / MFC

CListCtrl* pListCtrl = (CListCtrl*) GetDlgItem(IDC_YOURLISTCONTROL);
ASSERT(pListCtrl != NULL);

POSITION pos = pList->GetFirstSelectedItemPosition();
if (pos == NULL)
   TRACE0("No items were selected!\n");
else
{
   while (pos)
   {
      int nItem = pList->GetNextSelectedItem(pos);
      TRACE1("Item %d was selected!\n", nItem);
      // you could do your own processing on nItem here
   }
}

class foo
{
  void foo()
  { 
    std::for_each(vec.begin(),vec.end(),bar_stub(this));
  }
 
  void bar(int val) 
  {
    ...
  }
 
  struct bar_stub
  {
    bar_stub(foo* f):f(f){}
    void operator(int val)
    {
      f->bar(val);
    }
  private:
    foo* f; 
  };
};