#include <Trade/Trade.mqh>


input int Trailingpoints = 100;

CTrade trade;

int OnInit()
  {

   return(INIT_SUCCEEDED);
  }


void OnDeinit(const int reason)
  {
 
  }


void OnTick()
  {
   for(int i = OrdersTotal()-1; i >= 0; i--)
   {
   ulong orderticket = OrderGetTicket(i);
   if (OrderSelect(orderticket) && OrderGetString(ORDER_SYMBOL) == _Symbol)
      {
         ENUM_ORDER_TYPE ordertype = (ENUM_ORDER_TYPE)OrderGetInteger(ORDER_TYPE);
         double OrderPrice = OrderGetDouble(ORDER_PRICE_OPEN);
         double orderTP = OrderGetDouble(ORDER_TP);
         double orderSL = OrderGetDouble(ORDER_SL);
         
         if(ordertype == ORDER_TYPE_BUY_LIMIT){
            double price = SymbolInfoDouble(_Symbol,SYMBOL_ASK) - Trailingpoints * _Point;
            
            
            if(price > OrderPrice)
            {
               if(trade.OrderModify(orderticket,price,orderSL,orderTP,ORDER_TIME_GTC,0))
               {
                  Print(__FUNCTION__," > Order#",orderticket," was modified by the pending order trail machine...");
               }
            }
            
         }
         
         else if(ordertype == ORDER_TYPE_BUY_STOP)
         {
            double price = SymbolInfoDouble(_Symbol,SYMBOL_ASK) + Trailingpoints * _Point;
            
            
            if(price < OrderPrice)
            {
               if(trade.OrderModify(orderticket,price,orderSL,orderTP,ORDER_TIME_GTC,0))
               {
                  Print(__FUNCTION__," > Order#",orderticket," was modified by the pending order trail machine...");
               }
            }
         }
         
         else if(ordertype == ORDER_TYPE_SELL_LIMIT)
         {
            double price = SymbolInfoDouble(_Symbol,SYMBOL_BID) + Trailingpoints * _Point;
            
            
            if(price < OrderPrice)
            {
               if(trade.OrderModify(orderticket,price,orderSL,orderTP,ORDER_TIME_GTC,0))
               {
                  Print(__FUNCTION__," > Order#",orderticket," was modified by the pending order trail machine...");
               }
            }  
         }
         
         else if(ordertype == ORDER_TYPE_SELL_STOP)
         {
             double price = SymbolInfoDouble(_Symbol,SYMBOL_BID) - Trailingpoints * _Point;
            
            
            if(price > OrderPrice)
            {
               if(trade.OrderModify(orderticket,price,orderSL,orderTP,ORDER_TIME_GTC,0))
               {
                  Print(__FUNCTION__," > Order#",orderticket," was modified by the pending order trail machine...");
               }
            }
         
          }
         
      }
   
   }
  }