private void RemoteVersionDownloadFinished( AssetUpdater updater, int assetIndex)
{
AssetVersion local = AssetUpdater.Instance.GetLocalVersion( assetIndex);
AssetVersion remote = AssetUpdater.Instance.GetRemoteVersion( assetIndex);
_assetUpdateLabels[ assetIndex].content.text = UpdateTextForVersion( local, remote);
_downloadButtons[ assetIndex].isHidden = (local.Version < remote.Version) == false;
Repaint();
}