MQLArticles/Examples/Get_Sl_by_risk_per_operation_and_lot.mq5

<EFBFBD><EFBFBD>//+------------------------------------------------------------------+
//|                         Get Sl by risk per operation and lot.mq5 |
//|                                                        Your name |
//|                                             https://www.mql5.com |
//+------------------------------------------------------------------+
#property copyright "Your name"
#property link      "https://www.mql5.com"
#property version   "1.00"
#property strict
#property script_show_inputs

#include "..\\RM\\RiskManagement.mqh"

input ENUM_ORDER_TYPE InpOrderType  = ORDER_TYPE_BUY; // Order Type:
input double InpEntryPrice = 10.0 ;// Entry price
input double InpRiskPerOperation = 1.0; // Risk per operation in %
input double InpLot = 0.01; // Lot size
input ulong InpDeviation = 0; // Deviation
input ulong InpStopLimit = 0; // StopLimit


//+------------------------------------------------------------------+
//| Main script function                                             |
//+------------------------------------------------------------------+
void OnStart()
 {
  CGetLote get_lote(_Symbol);
  const long calculate_sl = get_lote.CalculateSLWithLot(InpOrderType, InpRiskPerOperation, InpEntryPrice, InpLot, InpDeviation, InpStopLimit);

  if(calculate_sl <= 0)
   {
    //--- Invalid stop loss
    Comment("The lot size is too high or the risk per operation is too low. Increase the risk or decrease the lot size.");
   }
  else
   {
    //--- Display calculated values
    Print("For lot: ", InpLot, ", and risk: ", InpRiskPerOperation, ", the ideal SL is: ", calculate_sl);
    Comment("Ideal SL: ", calculate_sl, " Points");
   }

  Sleep(10000); // Sleep for 10 seconds
  Comment(""); // Clean
 }
//+------------------------------------------------------------------+