code: private void jCheckBoxHideNonRepValuesActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_jCheckBoxHideNonRepValuesActionPerformed
      {//GEN-HEADEREND:event_jCheckBoxHideNonRepValuesActionPerformed
          if (jCheckBoxHideNonRepValues.isSelected()) {
              parent.getGraphPanelChart().getChartSettings().setHideNonRepValLimit(getValueFromString((String) jComboBoxHideNonRepValLimit.getSelectedItem()));
          } else {
              parent.getGraphPanelChart().getChartSettings().setHideNonRepValLimit(-1);
          }
          refreshGraphPreview();
      }
docs: GEN-LAST:event_jCheckBoxLimitMaxXValueActionPerformed