SDownload.Dialogs.DownloadProgressDialog.Download C# (CSharp) Method

        public bool Download(String fileLocation)
        {
            try
            {
                // Setup the connection
                var downloadRequest = (HttpWebRequest) WebRequest.Create(_url);
                downloadRequest.Accept = "application/octet-stream";
                downloadRequest.Method = WebRequestMethods.Http.Get;
                downloadRequest.UserAgent = "SDownload";

                // Start the connection to the github api
                var downloadResponse = downloadRequest.GetResponse();

                // Delete the local file if it already exists
                if (File.Exists(fileLocation))
                    File.Delete(fileLocation);

                // Open the file for writing
                using (var installer = File.OpenWrite(fileLocation))
                {
                    var installerBuffer = new byte[4096];
                    var responseStream = downloadResponse.GetResponseStream();
                    if (responseStream == null)
                        return false;
                    progressBar.Maximum = _size;
                    int read;
                    while ((read = responseStream.Read(installerBuffer, 0, installerBuffer.Length)) > 0)
                    {
                        // Write the info from the stream
                        installer.Write(installerBuffer, 0, read);

                        // Update the progress
                        progressBar.Step = read;
                        progressBar.PerformStep();
                    }
                }
            }
            catch (Exception e)
            {
                // Store the last exception
                LastException = e;
                return false;
            }
            return true;
        }

        /// <summary>
        /// Downloads and installs the newest version
        /// </summary>
        /// <param name="size">The size of the new version to download</param>
        private void DownloadAndInstall(int size)
        {
            var downloader   = new DownloadProgressDialog(_fileUrl, size);
            var fileLocation = String.Format("{0}\\sdownload_update.exe", Path.GetTempPath());

            try
            {
                LogUpdate();
            }
            catch (Exception) { }

            if (downloader.Download(fileLocation))
            {
                // Launch the installer and close the running instance
                try
                {
                    Process.Start(fileLocation);
                }
                catch (Exception)
                {
                    CrashHandler.Throw("There was an issue launching the update! You'll need to manually start the file: " + fileLocation, false);
                }
                Close();
                Application.Exit();
            }
            else
            {
                // There was an issue downloading the file
                CrashHandler.Throw("There was an issue downloading the update!", downloader.LastException);
                Close();
            }
        }