SetPerformingBiff(PR_TRUE); rv = rootMsgFolder->GetNewMessages(aMsgWindow, nsnull); } return rv;
nsCOMPtr<nsIMsgFolder> rootMsgFolder = do_QueryInterface(rootFolder); if(rootMsgFolder) rv = rootMsgFolder->GetNewMessages(); }  return rv;
NS_IMETHODIMP nsImapIncomingServer::PerformBiff(nsIMsgWindow* aMsgWindow){  nsresult rv;	nsCOMPtr<nsIMsgFolder> rootMsgFolder;	rv = GetRootMsgFolder(getter_AddRefs(rootMsgFolder));	if(NS_SUCCEEDED(rv))	{    SetPerformingBiff(PR_TRUE);		rv = rootMsgFolder->GetNewMessages(aMsgWindow, nsnull);  }  return rv;}