C / C++ / MFC

class A
{
    public: virtual void foo() {...}
};

class B : public A
{
    public: virtual void foo() { A::foo(); ... }
};

class A
{
    public: A& operator= (const A& a) { ... }
};

class B : public A
{
    public: B& operator= (const B& b) { 
        // how do I do this? something like:
        // A::operator=(b);
        // ???
        ...
        }
};

set oWMI = GetObject("winmgmts:/root/cimv2")<br />
<br />
Set colItems = oWMI.ExecQuery("SELECT * FROM Win32_ComputerSystem", "WQL", _<br />
                                          wbemFlagReturnImmediately + wbemFlagForwardOnly)<br />
<br />
For Each objItem In colItems<br />
    strDomain = objItem.Domain<br />
    strRole = TranslateDomainRole(objItem.DomainRole)<br />
Next<br />
<br />
<br />
<br />
function TranslateDomainRole(byVal roleID)<br />
   Dim a<br />
<br />
   Select Case roleID<br />
      Case 0<br />
         a = "Standalone Workstation"<br />
      Case 1<br />
         a = "Member Workstation"<br />
      Case 2<br />
         a = "Standalone Server"<br />
      Case 3<br />
         a = "Member Server"<br />
      Case 4<br />
         a = "Backup Domain Controller"<br />
      Case 5<br />
         a = "Primary Domain Controller"<br />
   End Select<br />
   TranslateDomainRole = a<br />
end function