docs: public boolean setColumnValue(int iColumnIndex, Object value, boolean bDisplay, int iMoveMode)
      {
          Convert fieldInfo = this.getFieldInfo(iColumnIndex);
          if (fieldInfo != null)
          {
              Object dataBefore = fieldInfo.getData();
              if (!(value instanceof String))
                  fieldInfo.setData(value, bDisplay, iMoveMode);
              else
                  fieldInfo.setString((String)value, bDisplay, iMoveMode);
              Object dataAfter =  fieldInfo.getData();
              if (dataBefore == null)
                  return (dataAfter != null);
              else
                  return (!dataBefore.equals(dataAfter));
          }
          return false;
      }