public bool Download(string url, string file, int maxsize)
{
maxSize = maxsize;
complete = false;
error = false;
string userAgent = (string)getreg.GetReg("HKEY_LOCAL_MACHINE\\SOFTWARE\\Citrix\\XenTools\\AutoUpdate", "UserAgent", Branding.GetString("BRANDING_userAgent"));
client = new WebClient();
client.Headers.Add("User-Agent", userAgent);
client.DownloadFileCompleted += new System.ComponentModel.AsyncCompletedEventHandler(DownloadCompleted);
client.DownloadProgressChanged += new DownloadProgressChangedEventHandler(DownloadProgressChanged);
client.DownloadFileAsync(new Uri(url), file);
finished.WaitOne(900000); // 15 min
return(complete && !error);
}