nsIInterfaceInfo*        GetInterfaceInfo() const {return mInfo;}
nsProxyEventObject::GetInterfaceInfo(nsIInterfaceInfo** info) { NS_ASSERTION(GetClass(), "proxy without class"); NS_ASSERTION(GetClass()->GetInterfaceInfo(), "proxy class without interface");  if(!(*info = GetClass()->GetInterfaceInfo())) return NS_ERROR_UNEXPECTED; NS_ADDREF(*info); return NS_OK; }
    nsIInterfaceInfo*        GetInterfaceInfo() const {return mInfo;}