public int Finit()
{
int ret = -1;
if (_dvr != null)
{
try
{
_dvr.Close();
}
catch (Exception ex)
{
throw ex;
}
}
if (_lcd != null && _lcd.SerialPort.IsOpen)
{
try
{
_lcd.Close();
}
catch (Exception ex)
{
throw ex;
}
}
if (_led != null)
{
try
{
_led.Close();
}
catch (Exception ex)
{
throw ex;
}
}
if (_iologic != null)
{
try
{
_iologic.Close();
}
catch (Exception ex)
{
throw ex;
}
}
if (_card != null)
{
try
{
_card.Close();
}
catch (Exception ex)
{
throw ex;
}
}
if (_weight != null)
{
try
{
_weight.Close();
}
catch (Exception ex)
{
throw ex;
}
}
if (_rtu != null)
{
try
{
_rtu.Close();
}
catch (Exception ex)
{
throw ex;
}
}
return(ret);
}
