如何获得drop list类型combobox的static控件？

Question

msdn上有个demo如下，使用这个demo可以获取到dropdow类型combobox的edit控件和listbox控件，但我把combobox改为drop list类后（我需要重绘droplist类型的combobox），在OnCtlColor()函数中只收CTLCOLOR_LISTBOX数值，得不到static控件的窗口，大侠帮个忙指点一下吧

   // SuperComboBox.cpp : implementation file
   HBRUSH CSuperComboBox::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor)
   {
      if (nCtlColor == CTLCOLOR_EDIT)
      {
         //[ASCII 160][ASCII 160][ASCII 160]Edit control
         if (m_edit.GetSafeHwnd() == NULL)
            m_edit.SubclassWindow(pWnd->GetSafeHwnd());
      }
      else if (nCtlColor == CTLCOLOR_LISTBOX)
      {
         //ListBox control
         if (m_listbox.GetSafeHwnd() == NULL)
            m_listbox.SubclassWindow(pWnd->GetSafeHwnd());
      }
      HBRUSH hbr = CComboBox::OnCtlColor(pDC, pWnd, nCtlColor);
      return hbr;
   }