Opposite trade

ÿþ//+------------------------------------------------------------------+

//|                                               Opposite trade.mq5 |

//|                              Copyright © 2017, Vladimir Karputov |

//|                                           http://wmua.ru/slesar/ |

//+------------------------------------------------------------------+

#property copyright "Copyright © 2017, Vladimir Karputov"

#property link      "http://wmua.ru/slesar/"

#property version   "1.000"

#property description "Opposite trade on any symbol and on any magic"

//---

#include <Trade\Trade.mqh>

CTrade         m_trade;                      // trading object

//---

ulong          m_slippage=30;                // slippage

//+------------------------------------------------------------------+

//| Expert initialization function                                   |

//+------------------------------------------------------------------+

int OnInit()

  {

//---



//---

   return(INIT_SUCCEEDED);

  }

//+------------------------------------------------------------------+

//| Expert deinitialization function                                 |

//+------------------------------------------------------------------+

void OnDeinit(const int reason)

  {

//---



  }

//+------------------------------------------------------------------+

//| Expert tick function                                             |

//+------------------------------------------------------------------+

void OnTick()

  {

//---



  }

//+------------------------------------------------------------------+

//| TradeTransaction function                                        |

//+------------------------------------------------------------------+

void OnTradeTransaction(const MqlTradeTransaction &trans,

                        const MqlTradeRequest &request,

                        const MqlTradeResult &result)

  {

//--- get transaction type as enumeration value 

   ENUM_TRADE_TRANSACTION_TYPE type=trans.type;

//--- if transaction is result of addition of the transaction in history

   if(type==TRADE_TRANSACTION_DEAL_ADD)

     {

      long     deal_type         =-1;

      long     deal_entry        =-1;

      double   deal_volume       =0.0;

      string   deal_symbol       ="";

      if(HistoryDealSelect(trans.deal))

        {

         deal_type         =HistoryDealGetInteger(trans.deal,DEAL_TYPE);

         deal_entry        =HistoryDealGetInteger(trans.deal,DEAL_ENTRY);

         deal_volume       =HistoryDealGetDouble(trans.deal,DEAL_VOLUME);

         deal_symbol       =HistoryDealGetString(trans.deal,DEAL_SYMBOL);

        }

      else

         return;

      if(deal_entry==DEAL_ENTRY_OUT)

        {

         switch((int)deal_type)

           {

            case  DEAL_TYPE_BUY:

               m_trade.Buy(deal_volume,deal_symbol);

               break;

            case  DEAL_TYPE_SELL:

               m_trade.Sell(deal_volume,deal_symbol);

               break;

            default:

               break;

           }

        }

     }

  }

//+------------------------------------------------------------------+