public override void ExecuteAsync()
{
lock (SyncRoot) {
SetStatus (TaskStatus.Running);
if (mre != null) {
mre.Reset ();
}
}
try {
wc = new AsyncWebClient ();
wc.Timeout = (30 * 1000); // 30 Seconds
if (feed.LastDownloadError == FeedDownloadError.None && feed.LastDownloadTime != DateTime.MinValue) {
wc.IfModifiedSince = feed.LastDownloadTime.ToUniversalTime ();
}
wc.DownloadStringCompleted += OnDownloadDataReceived;
feed.DownloadStatus = FeedDownloadStatus.Downloading;
wc.DownloadStringAsync (new Uri (feed.Url));
} catch (Exception e) {
if (wc != null) {
wc.DownloadStringCompleted -= OnDownloadDataReceived;
}
EmitCompletionEvents (FeedDownloadError.DownloadFailed);
Log.Error (e);
}
}
