function SetFlag(&$messageIdUid, &$folder, $flags, $action)
{
$messageIdSet = null;
$messageUidSet = null;
if ($messageIdUid != null) {
$messageIdSet = array_keys($messageIdUid);
$messageUidSet = array_values($messageIdUid);
}
$result = true;
if ($folder->SyncType != FOLDERSYNC_DirectMode) {
if ($this->DbStorage->Connect()) {
$result &= $this->DbStorage->SetMessagesFlags($messageIdSet, false, $folder, $flags, $action);
}
}
if ($folder->SyncType != FOLDERSYNC_DontSync && $this->_account->MailProtocol != MAILPROTOCOL_POP3) {
if (count($messageUidSet) == 1 && $this->MailStorage->Connect()) {
$result &= $this->MailStorage->SetMessagesFlag($messageUidSet[0], $folder, $flags, $action);
}
}
return $result;
}