优化多空单止盈止损策略：线条设置详解

//+------------------------------------------------------------------+
//|                                       多空单画线止盈止损设置.mqh  |
//|                  Copyright 2021/01/06, by zjgrd888.              |
//|                                                 ZJGRD888@126.COM |
//+------------------------------------------------------------------+
#property copyright "Copyright 2021, by zjgrd888."
#property link      "zjgrd888@126.com"
#property version   "1.00"
#property strict
#include <MyGui.mqh>
  
//+------------------------------------------------------------------+
//|
//|
//+------------------------------------------------------------------+
double 写多单画线止损()
{
 string 列1[],列2[],列3[];//定义动态数组变量
 
// string 列1[300],列2[300],列3[300];//定义动态数组变量
 
 double 多单止损位=0.00000;
 int rc=0;
int recode=0;
      
    for (int cnt=0;cnt<ObjectsTotal();cnt++)
       {
       //如果对象类型为横直线并且被选择状态
          if ((ObjectType( ObjectName(cnt))==OBJ_HLINE  &&  ObjectGet(ObjectName(cnt),OBJPROP_SELECTED))  || ObjectName(cnt)=="多单止损线")
            {

              
              ObjectSetString(0,ObjectName(cnt),OBJPROP_NAME,"多单止损线");
              ObjectSetInteger(0,"多单止损线",OBJPROP_SELECTED,false) ;              
              ObjectSetInteger(0,"多单止损线",OBJPROP_BACK,true) ;
              ObjectSetInteger(0,"多单止损线",OBJPROP_COLOR,FireBrick) ;  
              ObjectSetInteger(0,"多单止损线",OBJPROP_STYLE,STYLE_DOT) ;                    
              //多单止损位=ObjectGetDouble(0,"多单止损线",OBJPROP_PRICE,OBJ_HLINE);
              //不能用这个语句，此语句得到的是横线初建时的价格
              
              
              多单止损位= ObjectGet("多单止损线",OBJPROP_PRICE1);
            }
                         
       }
 //     printf("ff"+多单止损位); 
       
// FILE_CSV: 打开csv文件, FILE_SHARE_READ: 多个路径可以同时访问 
   int handle = FileOpen("多空单画线止盈止损设置.csv", FILE_READ|FILE_WRITE|FILE_CSV, ',', CP_ACP); 
    
   if (handle != INVALID_HANDLE)
     { 
       int 文件大小=FileGetInteger(handle,FILE_SIZE);
       if (文件大小==0) 
         {
            FileWrite(handle, Symbol(), "多单止损线",  DoubleToString(多单止损位));
        //    FileFlush(handle);               
          //printf("空时");
         }  
       else 
         {