RatioMaster_source.RM.updateCounters C# (CSharp) Method

        private void updateCounters(TorrentInfo torrentInfo)
        {
            try
            {
                // Random random = new Random();
                // modify Upload Rate
                uploadCount.Text = FormatFileSize((ulong)torrentInfo.uploaded);
                Int64 uploadedR = torrentInfo.uploadRate + RandomSP(txtRandUpMin.Text, txtRandUpMax.Text, chkRandUP.Checked);

                // Int64 uploadedR = torrentInfo.uploadRate + (Int64)random.Next(10 * 1024) - 5 * 1024;
                if (uploadedR < 0) { uploadedR = 0; }
                torrentInfo.uploaded += uploadedR;

                // modify Download Rate
                downloadCount.Text = FormatFileSize((ulong)torrentInfo.downloaded);
                if (!seedMode && torrentInfo.downloadRate > 0)    // dont update download stats
                {
                    Int64 downloadedR = torrentInfo.downloadRate + RandomSP(txtRandDownMin.Text, txtRandDownMax.Text, chkRandDown.Checked);

                    // Int64 downloadedR = torrentInfo.downloadRate + (Int64)random.Next(10 * 1024) - 5 * 1024;
                    if (downloadedR < 0) { downloadedR = 0; }
                    torrentInfo.downloaded += downloadedR;
                    torrentInfo.left = torrentInfo.totalsize - torrentInfo.downloaded;
                }

                if (torrentInfo.left <= 0) // either seedMode or start seed mode
                {
                    torrentInfo.downloaded = torrentInfo.totalsize;
                    torrentInfo.left = 0;
                    torrentInfo.downloadRate = 0;
                    if (!seedMode)
                    {
                        currentTorrent = torrentInfo;
                        seedMode = true;
                        temporaryIntervalCounter = 0;
                        Thread myThread = new Thread(completedProcess);
                        myThread.Name = "completedProcess() Thread";
                        myThread.Start();
                    }
                }

                torrentInfo.interval = int.Parse(interval.Text);
                currentTorrent = torrentInfo;
                double finishedPercent;
                if (torrentInfo.totalsize == 0)
                {
                    fileSize.Text = "100";
                }
                else
                {
                    // finishedPercent = (((((float)currentTorrentFile.totalLength - (float)torrentInfo.totalsize) + (float)torrentInfo.downloaded) / (float)currentTorrentFile.totalLength) * 100);
                    finishedPercent = (((currentTorrentFile.totalLength - (float)torrentInfo.left)) / ((float)currentTorrentFile.totalLength)) * 100.0;
                    fileSize.Text = (finishedPercent >= 100) ? "100" : SetPrecision(finishedPercent.ToString(), 2);
                }

                downloadCount.Text = FormatFileSize((ulong)torrentInfo.downloaded);

                // modify Ratio Lable
                if (torrentInfo.downloaded / 1024 < 100)
                {
                    lblTorrentRatio.Text = "NaN";
                }
                else
                {
                    float data = torrentInfo.uploaded / (float)torrentInfo.downloaded;
                    lblTorrentRatio.Text = SetPrecision(data.ToString(), 2);
                }
            }
            catch (Exception e)
            {
                AddLogLine(e.Message);
                SetCountersCallback d = updateCounters;
                Invoke(d, new object[] { torrentInfo });
            }
        }