怎么修改这个脚本的最低下单手数为0.01

 
#include <Stdlib.mqh>

extern bool ActionBuy = true;
extern double RangeStart = 1.1850;
extern double RangeEnd = 1.1870;
extern double TotalLots = 1.0;
extern int OrderCount = 5;
extern int Slippage = 0;
extern double StopLoss = 0.0;
extern double TakeProfit = 0.0;
extern string Comments = "BatchOpen Auto Generated";
extern datetime Expiration = 0;
extern int Delay = 0;

#define BATCH_OPEN_MAGIC   06021610

//+---------------------------------------------+
//|script program start function                 |
//+---------------------------------------------+
int ActionType = 0;
int start()
  {
//---- 
   //inputs checking
   if (OrderCount < 2) {
      MessageBox("Not enough OrderCount, must be greater than 1 at least");
      return (-1);
   }
   double LotsPerOrder, LotsLeft;
   int i, n;
   n = TotalLots * 10/OrderCount;
   LotsPerOrder = n;
   LotsPerOrder /= 10;
   LotsLeft = TotalLots - LotsPerOrder * OrderCount;
   if (LotsPerOrder < 0.1) {
      MessageBox("Not enough TotalLots or too many OrderCount, each order must be 0.1 lots at least");
      return (-1);
   }
   if (LotsPerOrder + LotsLeft >= 10000) {
      MessageBox("Too many TotalLots, each order must be less than 10000 lots");
      return (-1);
   }
   n = NormalizeDouble((MathAbs(RangeStart - RangeEnd) * MathPow(10, Digits)), 0)/(OrderCount-1);

   if (n < 1) {
      MessageBox("Too many OrderCount, each order must have 1 pips diff at least");
   }

   double volume, price;
   string symbol;
   int cmd, magic, ticket, cnt, failed;

   symbol = Symbol();
   magic = BATCH_OPEN_MAGIC;
   volume = LotsPerOrder;
   cnt = 0;
   failed = 0;
   for (i = 0; i < OrderCount; i++) {
      price = RangeStart + i * n * Point;
      if (i == OrderCount-1) {
         volume += LotsLeft;
         //price = RangeEnd;
      }
      RefreshRates();      
      if (ActionBuy) {
         if (price < Ask) {
            cmd = OP_BUYLIMIT;                     
         } else {
            cmd = OP_BUYSTOP;
         }
      } else {
         if (price < Bid) {
            cmd = OP_SELLSTOP;
         } else {
            cmd = OP_SELLLIMIT;
         }
      }
      ticket = OrderSend(symbol, cmd, volume, price, Slippage, StopLoss, 
               TakeProfit, Comments, magic,  Expiration, CLR_NONE);
      if (ticket < 0) {
         Print("Failed to place order at price " + price + ", Error: " + ErrorDescription(GetLastError()));
         failed++;
      } else {
         cnt++;
      }
      Sleep(Delay);
   }
//----
   Print(cnt + " orders placed, " + OrderCount + " requested, " + failed + " failed");
   return(0);
  }
//+---------------------------------------------+