private void buttonApply_Click(object sender, EventArgs e)
        {
            dataGridView1[1, 6].Value = dataGridView1[1, 3].Value;
            dataGridView1[2, 6].Value = dataGridView1[2, 3].Value;
            dataGridView1[3, 6].Value = dataGridView1[3, 3].Value;

            _data.tableResistors   = ((DataTable)dataGridView1.DataSource).Copy();
            _data.filtering_method = comboBoxFilteringMethod.SelectedIndex;
            _data.submodule        = comboBoxSubmodule.SelectedIndex;

            //System.Xml.Serialization.XmlSerializer serializer2 = new System.Xml.Serialization.XmlSerializer(typeof(DataTable));
            //StringBuilder sb2 = new StringBuilder();
            //XmlWriter xw2 = XmlWriter.Create(sb2);
            //serializer2.Serialize(xw2, _tableResistor);
            ////ファイルを閉じる
            //xw2.Close();

            //Properties.Settings.Default.configure_resistor_values = sb2.ToString();
            //Properties.Settings.Default.configure_filtering_method = comboBoxFilteringMethod.SelectedIndex;
            //Properties.Settings.Default.configure_submodule_pluggedin = comboBoxSubmodule.SelectedIndex;
            //Properties.Settings.Default.Save();

            // Potentiostat本体の値を更新
            _ps.UpdateResistors(_data.tableResistors);
        }