Trailing Stop by Fixed Parabolic SAR

Modify to allow direct specification of the starting point of the Parabolic SAR.

Parameters

• Trailing Mode ･･･ None / Trailing Fixed / Trailing Fixed Parabolic SAR

bool CSampleExpert::LongModifiedEx(void)

  {

   bool res=false;

//--- check for trailing stop

   if(m_trailing_max < m_last_bar.high)

     {

      double tp=m_position.TakeProfit();

      double sl=m_position.StopLoss();



      //--- calcurate ParabolicSAR

      m_trailing_max = m_last_bar.high;

      m_trailing_step = fmin(InpPSAR_Maximum, m_trailing_step + InpPSAR_Step);

      double sar_stop = sl + (m_trailing_max - sl)* m_trailing_step;

      sar_stop=NormalizeDouble(sar_stop,m_symbol.Digits());

      //---



      if((sl==0.0 || sl < sar_stop) && sar_stop < m_symbol.Bid())

        {

         //--- modify position

         if(m_trade.PositionModify(Symbol(),sar_stop,tp))

            printf("Long position by %s to be modified",Symbol());

         else

           {

            printf("Error modifying position by %s : '%s'",Symbol(),m_trade.ResultComment());

            printf("Modify parameters : SL=%f,TP=%f",sar_stop,tp);

           }

         //--- modified and must exit from expert

         res=true;

        }

     }

//--- result

   return(res);

  }