MidiSheetMusic.MidiFile.RoundStartTimes C# (CSharp) Method

        public static void RoundStartTimes(List<MidiTrack> tracks, int millisec, TimeSignature time)
        {
            /* Get all the starttimes in all tracks, in sorted order */
            List<int> starttimes = new List<int>();
            foreach (MidiTrack track in tracks) {
            foreach (MidiNote note in track.Notes) {
                starttimes.Add( note.StartTime );
            }
            }
            starttimes.Sort();

            /* Notes within "millisec" milliseconds apart will be combined. */
            int interval = time.Quarter * millisec * 1000 / time.Tempo;

            /* If two starttimes are within interval millisec, make them the same */
            for (int i = 0; i < starttimes.Count - 1; i++) {
            if (starttimes[i+1] - starttimes[i] <= interval) {
                starttimes[i+1] = starttimes[i];
            }
            }

            CheckStartTimes(tracks);

            /* Adjust the note starttimes, so that it matches one of the starttimes values */
            foreach (MidiTrack track in tracks) {
            int i = 0;

            foreach (MidiNote note in track.Notes) {
                while (i < starttimes.Count &&
                       note.StartTime - interval > starttimes[i]) {
                    i++;
                }

                if (note.StartTime > starttimes[i] &&
                    note.StartTime - starttimes[i] <= interval) {

                    note.StartTime = starttimes[i];
                }
            }
            track.Notes.Sort(track.Notes[0]);
            }
        }