void checker_DownloadStringCompleted(object sender, DownloadStringCompletedEventArgs e)
{
if (!e.Cancelled)
{
CheckForUpdateCompleteEventArgs args = null;
bool userInitiated = (bool)e.UserState;
if (e.Error == null)
{
this.updatedManifest = Manifest.Parse(e.Result);
if (this.updatedManifest != null)
{
args = new CheckForUpdateCompleteEventArgs(this.updatedManifest, this.currentVersion, userInitiated, null);
this.updateAvailable = args.UpdateAvailable;
}
}
// this could be because e.Error != null or because the Manifest.Parse() failed
if (args == null)
{
UpdateErrorEventArgs errorArgs = new UpdateErrorEventArgs(e.Error, "Growl was unable to determine if a newer version is available. Please try again later.");
args = new CheckForUpdateCompleteEventArgs(null, this.currentVersion, userInitiated, errorArgs);
}
this.OnCheckForUpdateComplete(args);
}
}
private void ReadCurrentManifest()
{
bool exists = File.Exists(this.manifestFile);
if (exists)
{
string xml = File.ReadAllText(this.manifestFile);
Manifest manifest = Manifest.Parse(xml);
this.currentVersion = manifest.Version;
this.updateLocation = manifest.UpdateLocation;
manifest = null;
}
}
