private void SettingForm_Load(object sender, EventArgs e)
        {
            DeathSetting s = DeathSetting.Instance;

            TextBox_PastTimeRange.Text       = s.PastTimeRange.ToString();
            TextBox_DeathSpan.Text           = s.DeadSpan.Seconds.ToString();
            TextBox_PixelValueThreshold.Text = s.DeadPixelValueThreshold.ToString();
            TextBox_AmplitudeThreshold.Text  = s.DeadAmplitudeThreshold.ToString();
        }
        private void SaveButton_Click(object sender, EventArgs e)
        {
            string message = checkInput();

            if (message != "")
            {
                SMMMessageBox.Show(message, SMMMessageBoxIcon.Information);
                return;
            }

            DeathSetting s = DeathSetting.Instance;

            s.PastTimeRange = double.Parse(TextBox_PastTimeRange.Text);
            s.setDeadSpan(int.Parse(TextBox_DeathSpan.Text));
            s.DeadPixelValueThreshold = int.Parse(TextBox_PixelValueThreshold.Text);
            s.DeadAmplitudeThreshold  = int.Parse(TextBox_AmplitudeThreshold.Text);

            s.SaveToFile();

            this.Close();
        }