C / C++ / MFC

CWnd* pChild = this->GetWindow(GW_CHILD);<br />
hwndChild=pChild->GetSafeHwnd();<br />
::GetClassName(hwndChild, szClassName, 256);<br />
if(!memcmp(szClassName, "Edit", sizeof("Edit")))<br />
{<br />
   // The following line returns a NULL pChild<br />
   // which means, the Combo Box has only one<br />
   // child... the CEdit control. Remember that<br />
   // the list box is not actually a child of the<br />
   // CComboBox. It is a top level window.<br />
<br />
   // Try to get the sibling window... Is the<br />
   // button another child of the CComboBox?<br />
   pChild = pChild->GetWindow(GW_HWNDNEXT);<br />
<br />
   if(pChild)<br />
   {<br />
      // Never gets here!!!<br />
      hwndChild=pChild->GetSafeHwnd();<br />
      ::GetClassName(hwndChild, szClassName, 256);<br />
   }<br />
}

#include <boost/regex.hpp> <br />
 <br />
 using namespace boost; <br />
  <br />
 bool grep_callback(const match_results<wstring::const_iterator, regex::alloc_type>& result) <br />
{ <br />
   return true;<br />
}