docs: public void resetPosition()
      {
          try   {
              if (m_daIn != null)
                  m_daIn.reset();
              else if (m_baOut != null)
              {
                  byte[] byInput = m_baOut.toByteArray();
                  this.setPhysicalData(byInput);
              }
              super.resetPosition();
          } catch (IOException ex)    {
              ex.printStackTrace();
          }
      }