void DownloadEnd(Exception e, DownloadData dld)
{
Utils.log.Error (" DownloadOsmTile ", e);
if (e.Message.IndexOf("404") != -1)
MapErrors = __MapErrorNotFound;
else
MapErrors = __MapErrorDownload;
try { File.Delete(dld.DLFilename); }
catch { }
DlList.Remove(dld);
dld.Cleanup();
}