if (obj instanceof ProcessCasErrors) {
final CCombo combo = new CCombo(table, SWT.BORDER | SWT.READ_ONLY);
combo.setItems(new String[] { Boolean.toString(true), Boolean.toString(false) }); //$NON-NLS-1$
combo.setText(item.getText(1));
combo.pack();
combo.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
int id = nvp.getId();
item.setText(1, combo.getText());
ProcessCasErrors processCasErrors = (ProcessCasErrors) obj;
processCasErrors.setValueById(id, combo.getText());