//Import inputal class
#include <Trade\PositionInfo.mqh>
#include <Trade\Trade.mqh>
#include <Trade\SymbolInfo.mqh>  
#include <Trade\AccountInfo.mqh>
#include <Trade\OrderInfo.mqh>
CPositionInfo  m_position;                   // trade position object
CTrade         m_trade;                      // trading object
CSymbolInfo    m_symbol;                     // symbol info object
CAccountInfo   m_account;                    // account info wrapper
COrderInfo     m_order;    
//+------------------------------------------------------------------+
//| TRAILING STOP                                                    |
//+------------------------------------------------------------------+
void TrailingStop() {

   double SL_in_Pip = 0;
   

   for(int i = PositionsTotal() - 1; i >= 0; i--) {
      if(m_position.SelectByIndex(i)) {    // selects the orders by index for further access to its properties        
         if((m_position.Magic() == InpMagicNumber) && (m_position.Symbol() == m_symbol.Name())) {
            // For Buy oder
            if(m_position.PositionType() == POSITION_TYPE_BUY) {
               //--Calculate SL when price changed
               SL_in_Pip = NormalizeDouble(Bid - m_position.StopLoss(), _Digits) / Pips2Double;
               if(SL_in_Pip > InpSL_Pips) {
                  double newSL = NormalizeDouble(Bid - InpSL_Pips * Pips2Double, _Digits);
                  
                  if(!m_trade.PositionModify(m_position.Ticket(), newSL, m_position.TakeProfit())) {
                     Print(__FUNCTION__,"--> OrderModify error ", m_trade.ResultComment());
                     continue;  
                  }
               }
            }

            //For Sell Order
            else if(m_position.PositionType() == POSITION_TYPE_SELL) {
               //--Calculate SL when price changed
               SL_in_Pip = NormalizeDouble(m_position.StopLoss() - Bid, _Digits) / Pips2Double;
               if(SL_in_Pip > InpSL_Pips){
                  double newSL = NormalizeDouble(Bid + (InpSL_Pips) * Pips2Double, _Digits);
                  if(!m_trade.PositionModify(m_position.Ticket(), newSL, m_position.TakeProfit())) {
                     Print(__FUNCTION__,"--> OrderModify error ", m_trade.ResultComment());
                     //continue;  
                  }
               }
            }
         }
      }
   }
   
   //--- Modify pending order  
   for(int i=OrdersTotal()-1; i>=0; i--) {// returns the number of current orders
      if(m_order.SelectByIndex(i)) {      // selects the pending order by index for further access to its properties
         if(m_order.Symbol() == m_symbol.Name() && m_order.Magic()==InpMagicNumber) {
            if(m_order.OrderType() == ORDER_TYPE_BUY_STOP) {
               SL_in_Pip = NormalizeDouble(Bid - m_order.StopLoss(), _Digits) / Pips2Double;
                  
               if(SL_in_Pip < InpSL_Pips/2) {
                  double newOP = NormalizeDouble(Bid + (InpSL_Pips/2) * Pips2Double, _Digits);
                  double newTP =  NormalizeDouble(newOP + InpTP_Pips * Pips2Double, _Digits);
                  double newSL = NormalizeDouble(Bid - (InpSL_Pips/2) * Pips2Double, _Digits);                  
                  
                  if(!m_trade.OrderModify(m_order.Ticket(), newOP, newSL, newTP, ORDER_TIME_GTC,0)) {
                     Print(__FUNCTION__,"--> Modify PendingOrder error!", m_trade.ResultComment());
                     continue;  
                  }               
               }
            }
            else if(m_order.OrderType() == ORDER_TYPE_SELL_STOP) {
               SL_in_Pip = NormalizeDouble(m_order.StopLoss() - Ask, _Digits) / Pips2Double;
               
               if(SL_in_Pip < InpSL_Pips/2){
                  double newOP = NormalizeDouble(Ask - (InpSL_Pips/2) * Pips2Double, _Digits);
                  double newTP =  NormalizeDouble(newOP - InpTP_Pips * Pips2Double, _Digits);
                  double newSL = NormalizeDouble(Ask + (InpSL_Pips/2) * Pips2Double, _Digits);
                  
                  if(!m_trade.OrderModify(m_order.Ticket(), newOP, newSL, newTP, ORDER_TIME_GTC,0)) {
                     Print(__FUNCTION__,"--> Modify PendingOrder error!", m_trade.ResultComment());
                     //continue;  
                  }               
               }
            }
            
         }
      }
    }    
}