rv = nsSupportsArray::Create(NULL, nsISupportsArray::GetIID(),
rv = nsSupportsArray::Create(NULL, NS_GET_IID(nsISupportsArray),
NS_NewISupportsArray(nsISupportsArray** aInstancePtrResult){  nsresult rv;  rv = nsSupportsArray::Create(NULL, nsISupportsArray::GetIID(),                               (void**)aInstancePtrResult);  return rv;}