Baka_MPlayer.Forms.JumpForm.CheckTimes_ValueChanged C# (CSharp) Method

        private void CheckTimes_ValueChanged(object sender, EventArgs e)
        {
            var hour = Convert.ToInt32(hourBox.Value, CultureInfo.InvariantCulture);
            var min = Convert.ToInt32(minBox.Value, CultureInfo.InvariantCulture);
            var sec = Convert.ToInt32(secBox.Value, CultureInfo.InvariantCulture);
            double calculatedTotal = (hour * 3600) + (min * 60) + sec;

            if (goToRadioButton.Checked)
            {
                statusLabel.Text = string.Format("Total Time: " + Functions.Time.ConvertSecondsToTime(currentStatus.TotalLength));

                if (calculatedTotal > -1 && calculatedTotal < currentStatus.TotalLength)
                {
                    GetNewTime = calculatedTotal;
                    ValidEntry(true);
                }
                else ValidEntry(false);
            }
            else if (addRadioButton.Checked)
            {
                double newTime = currentStatus.Duration + calculatedTotal;
                statusLabel.Text = string.Format("Jumps To: " + Functions.Time.ConvertSecondsToTime(newTime));

                if (calculatedTotal > -1 && newTime < currentStatus.TotalLength)
                {
                    GetNewTime = newTime;
                    ValidEntry(true);
                }
                else ValidEntry(false);
            }
            else if (subtractRadioButton.Checked)
            {
                double newTime = currentStatus.Duration - calculatedTotal;
                statusLabel.Text = string.Format("Jumps To: " + Functions.Time.ConvertSecondsToTime(newTime));

                if (calculatedTotal > -1 && newTime > -1)
                {
                    GetNewTime = newTime;
                    ValidEntry(true);
                }
                else ValidEntry(false);
            }
        }