private bool UpdateRequired()
{
// Get local revision number
int localrev = -1;
if (File.Exists(appFileName))
{
var info = FileVersionInfo.GetVersionInfo(appFileName);
localrev = info.ProductPrivatePart;
}
// Get remote revision number
int remoterev;
using (MemoryStream stream = Webdata.DownloadWebFile(Path.Combine(URL, "Versions.txt")))
{
if (stream == null)
{
if (string.IsNullOrEmpty(ErrorDescription))
{
ErrorDescription = "Failed to retrieve remote revision info.";
}
return(false);
}
string s;
using (StreamReader reader = new StreamReader(stream))
{
s = reader.ReadLine(); // First line should be editor revision
}
if (!int.TryParse(s, out remoterev))
{
ErrorDescription = "Failed to retrieve remote revision number.";
return(false);
}
}
// Replace wildcard with remoterev
downloadFile = downloadFile.Replace(revisionwildcard, remoterev.ToString());
downloadFile = downloadFile.Replace(platformwildcard, platform.ToString());
if (remoterev > 0 && remoterev <= localrev)
{
URL = string.Empty;
ErrorDescription = "Your version is up to date!";
}
return(remoterev > localrev);
}
private void BackgroundWorker(object sender, DoWorkEventArgs e)
{
UpdateLabel(label1, "1/6: Checking revisions...");
if (!UpdateRequired())
{
e.Cancel = true;
return;
}
PreDownload();
UpdateLabel(label1, "2/6: Downloading Update...");
Webdata.BytesDownloaded += WebdataOnBytesDownloaded;
if (!Webdata.SaveWebFile(URL, downloadFile, updateFolder))
{
e.Cancel = true;
Webdata.BytesDownloaded -= WebdataOnBytesDownloaded;
return;
}
// Check if the editor is running...
if (!EditorClosed())
{
// Error or user canceled
e.Cancel = true;
return;
}
UpdateLabel(label1, "4/6: Decompressing package...");
Thread.Sleep(500);
if (!Unpack(updateFolder + downloadFile, Application.StartupPath))
{
e.Cancel = true;
return;
}
UpdateLabel(label1, "5/6: Moving files...");
Thread.Sleep(500);
MoveFiles();
UpdateLabel(label1, "6/6: Wrapping up...");
Thread.Sleep(500);
PostDownload();
}