/// <summary>
/// Check if application update is availble
/// </summary>
/// <returns>true|false</returns>
public static bool UpdateAvailable()
{
var result = false;
try
{
using (var webClient = new WebClient())
{
var versionFileUri = new Uri(Resources.CurrentVersionFileBaseUrl +
Resources.CurrentVersionFileName);
var localFile = Path.Combine(AppDomain.CurrentDomain.BaseDirectory,
Resources.CurrentVersionFileName);
webClient.DownloadFile(versionFileUri, localFile);
var infoDocument = File.ReadAllText(localFile);
var currentVer = Application.ProductVersion;
var version = infoDocument.Substring(
infoDocument.LastIndexOf(
Resources.AssemblyVersion, StringComparison.Ordinal)
).Substring(17, currentVer.Length);
result = currentVer != version;
if (!int.TryParse(version.Replace(".", ""),
NumberStyles.Integer, new NumberFormatInfo(), out int _))
{
Log.ErrorString = "Could not retrieve version online.";
MessageForm.DisplayMessage("Could not retrieve version online.");
}
else
{
MessageForm.LogAndDisplayMessage(result
? "New version available! Version " + version
: "Latest version already installed, version " + currentVer);
}
}
}
catch (WebException webException)
{
Log.Error = webException;
MessageForm.DisplayMessage("Could not check version online, see log for details.");
}
catch (IndexOutOfRangeException indexOutOfRangeException)
{
Log.Error = indexOutOfRangeException;
MessageForm.LogAndDisplayMessage("Could not check version online, invalid content.");
}
catch (Exception e)
{
Log.Error = e;
MessageForm.DisplayMessage("Could not check version online, fatal error. Restart application.");
throw;
}
return(result);
}