Atmo.UI.DevEx.MainForm.UpdateClockStats C# (CSharp) Method

        private void UpdateClockStats()
        {
            var now = DateTime.Now;
            labelLocalTime.Text = DisplayDateTime(now);
            if (null != _deviceConnection) {
                var deviceTime = _deviceConnection.QueryClock();
                if (default(DateTime) != deviceTime) {
                    labelDaqTime.Text = DisplayDateTime(deviceTime);
                    var diff = deviceTime.Subtract(now);
                    if (diff < TimeSpan.Zero) {
                        diff = TimeSpan.Zero - diff;
                    }

                    bool outOfSync = diff >= new TimeSpan(0, 0, 0, 3, 0);
                    labelDaqTime.ForeColor = ForeColor;

                    if (outOfSync && AppContext.PersistentState.AutoSyncClock
                        && (now - LastClockUpdate) >= MaxClockUpdateFrequency
                    ) {
                        System.Diagnostics.Debug.WriteLine("BeginClockSync");
                        if (_deviceConnection.SetClock(DateTime.Now)) {
                            labelDaqTime.ForeColor = ForeColor;
                            System.Diagnostics.Debug.WriteLine("EndClockSync: OK!");
                            LastClockUpdate = DateTime.Now;
                            return;
                        }
                        System.Diagnostics.Debug.WriteLine("EndClockSync: Fail");
                    }

                    if (outOfSync) {
                        labelDaqTime.ForeColor = now.Second % 2 == 0 ? Color.Red : ForeColor;
                    }
                    else {
                        labelDaqTime.ForeColor = ForeColor;
                    }
                    return;
                }
            }
            labelDaqTime.Text = "N/A";
            labelDaqTime.ForeColor = ForeColor;
        }