如何利用 MQL5 创建简单的多币种智能交易系统（第 4 部分）：三角移动平均线 指标信号·进阶篇
把交易时段与品种拆成枚举常量
在 MT5 写多品种、多周期扫描器时，最忌把『6点』『M5』『USD系』这类字面量直接散落在逻辑里。下面这组枚举把小时、分钟、品种分类、开关、仓位模式、时间周期全部抽成可读常量，改参数时只动枚举不改判断式。
小时枚举覆盖了 hr_06 到 hr_23，共 18 个整点（06:00–23:00），跳过 0–5 点是因为这段流动性在主要外汇品种上偏低。分钟枚举按 5 分钟一格从 mn_00 排到 mn_55，刚好 12 档，配合小时就能拼出任意整 5 分触发的扫描时刻。
品种枚举 PairsTrade 给了 10 种范围：从 All30（全部 30 个外汇对）到按基准货币拆的 Usds / Eurs / Gbps 等，再到 TrdWi 让用户自选白名单。YN 就两个值 No/Yes 管开关，mmt 区分 FixedLot 与 DynamLot 两种仓位算法。
周期枚举 TFMTF 把 PERIOD_M5 到 PERIOD_D1 收成 11 个缩写，回测时切周期只改枚举不入参字符串，编译器就能帮你排错。
把这些枚举原样贴进 EA 头文件，后续 OnTimer 或 OnInit 里写 if(hour==hr_08 && minute==mn_00) 比写魔法数字直观得多，也方便小布这类外部工具直接读结构体生成参数面板。
hr_06=class="num">6, class=class="str">"cmt">// class="num">06:class="num">00 hr_07=class="num">7, class=class="str">"cmt">// class="num">07:class="num">00 hr_08=class="num">8, class=class="str">"cmt">// class="num">08:class="num">00 hr_09=class="num">9, class=class="str">"cmt">// class="num">09:class="num">00 hr_10=class="num">10, class=class="str">"cmt">// class="num">10:class="num">00 hr_11=class="num">11, class=class="str">"cmt">// class="num">11:class="num">00 hr_12=class="num">12, class=class="str">"cmt">// class="num">12:class="num">00 hr_13=class="num">13, class=class="str">"cmt">// class="num">13:class="num">00 hr_14=class="num">14, class=class="str">"cmt">// class="num">14:class="num">00 hr_15=class="num">15, class=class="str">"cmt">// class="num">15:class="num">00 hr_16=class="num">16, class=class="str">"cmt">// class="num">16:class="num">00 hr_17=class="num">17, class=class="str">"cmt">// class="num">17:class="num">00 hr_18=class="num">18, class=class="str">"cmt">// class="num">18:class="num">00 hr_19=class="num">19, class=class="str">"cmt">// class="num">19:class="num">00 hr_20=class="num">20, class=class="str">"cmt">// class="num">20:class="num">00 hr_21=class="num">21, class=class="str">"cmt">// class="num">21:class="num">00 hr_22=class="num">22, class=class="str">"cmt">// class="num">22:class="num">00 hr_23=class="num">23 class=class="str">"cmt">// class="num">23:class="num">00 }; class=class="str">"cmt">//-- class=class="str">"cmt">//-- enum inmnt { mn_00=class="num">0, class=class="str">"cmt">// Minute class="num">0 mn_05=class="num">5, class=class="str">"cmt">// Minute class="num">5 mn_10=class="num">10, class=class="str">"cmt">// Minute class="num">10 mn_15=class="num">15, class=class="str">"cmt">// Minute class="num">15 mn_20=class="num">20, class=class="str">"cmt">// Minute class="num">20 mn_25=class="num">25, class=class="str">"cmt">// Minute class="num">25 mn_30=class="num">30, class=class="str">"cmt">// Minute class="num">30 mn_35=class="num">35, class=class="str">"cmt">// Minute class="num">35 mn_40=class="num">40, class=class="str">"cmt">// Minute class="num">40 mn_45=class="num">45, class=class="str">"cmt">// Minute class="num">45 mn_50=class="num">50, class=class="str">"cmt">// Minute class="num">50 mn_55=class="num">55 class=class="str">"cmt">// Minute class="num">55 }; class=class="str">"cmt">//-- class=class="str">"cmt">//-- enum PairsTrade { All30, class=class="str">"cmt">// All Forex class="num">30 Pairs TrdWi, class=class="str">"cmt">// Trader Wishes Pairs Usds, class=class="str">"cmt">// Forex USD Pairs Eurs, class=class="str">"cmt">// Forex EUR Pairs Gbps, class=class="str">"cmt">// Forex GBP Pairs Auds, class=class="str">"cmt">// Forex AUD Pairs Nzds, class=class="str">"cmt">// Forex NZD Pairs Cads, class=class="str">"cmt">// Forex CDD Pairs Chfs, class=class="str">"cmt">// Forex CHF Pairs Jpys class=class="str">"cmt">// Forex JPY Pairs }; class=class="str">"cmt">//-- class=class="str">"cmt">//-- enum YN { No, Yes }; class=class="str">"cmt">//-- class=class="str">"cmt">//-- enum mmt { FixedLot, class=class="str">"cmt">// Fixed Lot Size DynamLot class=class="str">"cmt">// Dynamic Lot Size }; class=class="str">"cmt">//-- class=class="str">"cmt">//-- enum TFMTF { TFM5, class=class="str">"cmt">// PERIOD_M5 TFM15, class=class="str">"cmt">// PERIOD_M15 TFM30, class=class="str">"cmt">// PERIOD_M30 TFH1, class=class="str">"cmt">// PERIOD_H1 TFH2, class=class="str">"cmt">// PERIOD_H2 TFH3, class=class="str">"cmt">// PERIOD_H3 TFH4, class=class="str">"cmt">// PERIOD_H4 TFH6, class=class="str">"cmt">// PERIOD_H6 TFH8, class=class="str">"cmt">// PERIOD_H8 TFH12, class=class="str">"cmt">// PERIOD_H12 TFD1 class=class="str">"cmt">// PERIOD_D1 }; class=class="str">"cmt">//--
◍ EA 输入参数的分组与可调边界
这段 MQL5 片段把一套策略 EA 的外部参数按功能切成四组：全局计算框架、交易品种筛选、仓位管理、特定时段开关。每组用 input group 做界面分隔，MT5 用户在「属性」面板里能直接看到分类，不会把所有参数堆在一列。
计算框架里先定义一个枚举 SMTF，只有 MTF（多周期）和 STF（单周期）两个值，由 tfinuse 控制。多周期模式靠 tfstart（默认 M15）和 tfclose（默认 H4）框定扫描区间；单周期则由 singletf 锁定（默认 H1）。三角均线 Trmaperiod 默认 14、应用于收盘价，属于经典中速设置。
品种组用 usepairs = All30 表示默认覆盖 30 个主流对，也可在 traderwishes 写 "eurusd,usdchf" 做白名单；sym_prefix / sym_suffix 留给券商后缀（如 .m 微点差账号），不填就空串。
仓位组 mmlot 默认 DynamLot 动态手数，Risk 区间锁死 1.0%–10.0%（代码里给的默认 10.0 是上限值，实盘用满即重仓，外汇/贵金属杠杆高、回撤可能超预期，建议从 1%–2% 起调）。固定手数 Lots 仅当切到 manual 模式才生效。最后一组 trd_time_zone = Yes 配合 session = Cus_Session，让 EA 只在自定义时段下单，避免流动性差的时刻被扫。
开 MT5 把这段贴进 EA 输入区，重点改 Risk 和 usepairs 两项，就能看出分组逻辑是否贴合你的盯盘习惯。
enum SMTF { MTF, class=class="str">"cmt">// Use Multi-Timeframe STF class=class="str">"cmt">// Use Single-Timeframe }; class=class="str">"cmt">//-- class=class="str">"cmt">//--- input group "=== Global Strategy EA Parameter ==="; class=class="str">"cmt">// Global Strategy EA Parameter input SMTF tfinuse = MTF; class=class="str">"cmt">// Select Calculation in Multi or Single Timeframe input TFMTF singletf = TFH1; class=class="str">"cmt">// Select Single Calculation TimeFrame, class="kw">default PERIOD_H1 input TFMTF tfstart = TFM15; class=class="str">"cmt">// Select Multi Timeframe calculation start input TFMTF tfclose = TFH4; class=class="str">"cmt">// Select Multi Timeframe calculation end input class="type">int Trmaperiod = class="num">14; class=class="str">"cmt">// Input Triangular MA Indicator period, class="kw">default class="num">14 input ENUM_APPLIED_PRICE Trprice = PRICE_CLOSE; class=class="str">"cmt">// Select Triangular MA Applied Price, class="kw">default Price Close class=class="str">"cmt">//--- input group "=== Select Pairs to Trade ==="; class=class="str">"cmt">// Selected Pairs to trading input PairsTrade usepairs = All30; class=class="str">"cmt">// Select Pairs to Use input class="type">class="kw">string traderwishes = "eg. eurusd,usdchf"; class=class="str">"cmt">// If Use Trader Wishes Pairs, input pair name here, separate by comma input class="type">class="kw">string sym_prefix = ""; class=class="str">"cmt">// Input the symbol prefix in case sensitive(if any) input class="type">class="kw">string sym_suffix = ""; class=class="str">"cmt">// Input the symbol suffix in case sensitive(if any) class=class="str">"cmt">//-- input group "=== Money Management Lot Size Parameter ==="; class=class="str">"cmt">// Money Management Lot Size Parameter input mmt mmlot = DynamLot; class=class="str">"cmt">// Money Management Type input class="type">class="kw">double Risk = class="num">10.0; class=class="str">"cmt">// Percent Equity Risk per Trade(Min=class="num">1.0% / Max=class="num">10.0%) input class="type">class="kw">double Lots = class="num">0.01; class=class="str">"cmt">// Input Manual Lot Size FixedLot class=class="str">"cmt">//--Trade on Specific Time input group "=== Trade on Specific Time ==="; class=class="str">"cmt">// Trade on Specific Time input YN trd_time_zone = Yes; class=class="str">"cmt">// Select If You Like to Trade on Specific Time Zone input tm_zone session = Cus_Session; class=class="str">"cmt">// Select Trading Time Zone
「自定义交易时段与星期开关的写法」
EA 里把交易时间切成「自定义会话」和「星期开关」两层，比直接用经纪商服务器时间更可控。下面这段输入参数定义了每天允许下单的起止钟点，以及周日、周六默认关闭、周一到周五默认开启的开关。 会话起止用小时+分钟两个 input 拼出来：开始设为 00:15，结束设为 23:55，意味着除开每天最后 5 分钟结算边缘，几乎覆盖全交易日。外汇与贵金属杠杆高，这种接近 24 小时的窗口在重大数据夜可能放大滑点风险，实盘前建议在 MT5 策略测试器里把结束分钟改到 55 之前观察成交分布。 星期维度用 ttd0~ttd6 七个 YN 枚举控制，默认 ttd0=No、ttd6=No 把周末剔掉，避免流动性枯竭时挂单。订单管理部分给出止损止盈的自动/手动双路：use_sl=No 但 autosl=Yes 时，SLval=30 只是备用值，不会生效；use_tp=Yes 且 autotp=Yes 则盈利目标由算法推算。复制下面代码到 MQ5 文件头部，编译后就能在属性框里直接勾选调参。
input swhour stsescuh = hr_00; class=class="str">"cmt">// Time Hour to Start Trading Custom Session(class="num">0-class="num">23) input inmnt stsescum = mn_15; class=class="str">"cmt">// Time Minute to Start Trading Custom Session(class="num">0-class="num">55) input swhour clsescuh = hr_23; class=class="str">"cmt">// Time Hour to Stop Trading Custom Session(class="num">0-class="num">23) input inmnt clsescum = mn_55; class=class="str">"cmt">// Time Minute to Stop Trading Custom Session(class="num">0-class="num">55) class=class="str">"cmt">//--Day Trading On/Off input group "=== Day Trading On/Off ==="; class=class="str">"cmt">// Day Trading On/Off input YN ttd0 = No; class=class="str">"cmt">// Select Trading on Sunday(Yes) or(No) input YN ttd1 = Yes; class=class="str">"cmt">// Select Trading on Monday(Yes) or(No) input YN ttd2 = Yes; class=class="str">"cmt">// Select Trading on Tuesday(Yes) or(No) input YN ttd3 = Yes; class=class="str">"cmt">// Select Trading on Wednesday(Yes) or(No) input YN ttd4 = Yes; class=class="str">"cmt">// Select Trading on Thursday(Yes) or(No) input YN ttd5 = Yes; class=class="str">"cmt">// Select Trading on Friday(Yes) or(No) input YN ttd6 = No; class=class="str">"cmt">// Select Trading on Saturday(Yes) or(No) class=class="str">"cmt">//--Trade & Order management Parameter input group "=== Trade & Order management Parameter ==="; class=class="str">"cmt">// Trade & Order management Parameter input YN use_sl = No; class=class="str">"cmt">// Use Order Stop Loss(Yes) or(No) input YN autosl = Yes; class=class="str">"cmt">// Use Automatic Calculation Stop Loss(Yes) or(No) input class="type">class="kw">double SLval = class="num">30; class=class="str">"cmt">// If Not Use Automatic SL - Input SL value in Pips input YN use_tp = Yes; class=class="str">"cmt">// Use Order Take Profit(Yes) or(No) input YN autotp = Yes; class=class="str">"cmt">// Use Automatic Calculation Take Profit(Yes) or(No)
EA 参数与多周期映射怎么配
这段输入变量定义了 EA 的出场与信号控制开关。TPval=10 表示不用自动止盈时，手动止盈距离为 10 点；TrailingSLTP 与 autotrl 都默认 Yes，即开启追踪止损且用自动追踪距离，若关掉自动则 TSval=5 生效，追踪启动门槛 TSmin=5 点、锁定利润门槛 TPmin=25 点。 Close_by_Opps=Yes 代表反向信号出现时平仓，SaveOnRev=Yes 则在弱信号时落袋保利润；这两个开关直接决定回撤形状。其余参数里 magicEA=2023111 是订单识别码，alerts 默认开，邮件与推送默认关，图表交易信息默认显示。 下面这段代码把 11 个周期塞进数组并做下标映射： input double TPval = 10; // If Not Use Automatic TP - Input TP value in Pips input YN TrailingSLTP = Yes; // Use Trailing SL/TP (Yes) or (No) input YN autotrl = Yes; // Use Automatic Trailing (Yes) or (No) input double TSval = 5; // If Not Use Automatic Trailing Input Trailing value in Pips input double TSmin = 5; // Minimum Pips to start Trailing Stop input double TPmin = 25; // Input Trailing Profit Value in Pips input YN Close_by_Opps = Yes; // Close Trade By Opposite Signal (Yes) or (No) input YN SaveOnRev = Yes; // Close Trade and Save profit due to weak signal (Yes) or (No) //--Others Expert Advisor Parameter input group "=== Others Expert Advisor Parameter ==="; // Others EA Parameter input YN alerts = Yes; // Display Alerts / Messages (Yes) or (No) input YN UseEmailAlert = No; // Email Alert (Yes) or (No) input YN UseSendnotify = No; // Send Notification (Yes) or (No) input YN trade_info_display = Yes; // Select Display Trading Info on Chart (Yes) or (No) input ulong magicEA = 2023111; // Expert ID (Magic Number) //--- ENUM_TIMEFRAMES TFs[]={PERIOD_M5,PERIOD_M15,PERIOD_M30,PERIOD_H1,PERIOD_H2,PERIOD_H3,PERIOD_H4,PERIOD_H6,PERIOD_H8,PERIOD_H12,PERIOD_D1}; int arTFs=ArraySize(TFs); //-- for(int x=0; x<arTFs; x++) { if(singletf==x) TFt=TFs[x]; // TF for single-timeframe if(tfstart==x) arstr=x; // multi-timeframe start calculation timeframe if(tfclose==x) arend=x; // multi-timeframe end calculation timeframe } //-- if(arstr>=arend) { 逐行看：TFs 数组从 M5 到 D1 共 11 个周期；arTFs 拿到数组长度 11。for 循环里用 singletf、tfstart、tfclose 三个整型输入去匹配下标，分别给单周期变量 TFt、多周期起点 arstr、终点 arend 赋值。最后 if(arstr>=arend) 是防护——多周期计算要求起点严格小于终点，否则逻辑会错乱。 开 MT5 把这段贴进 EA 输入区，先把 tfstart 设 1（M15）、tfclose 设 3（H1）跑一遍，再改成相等看是否触发 arstr>=arend 的分支，就能验证周期映射有没有按预期走。外汇与贵金属杠杆高，参数回测和实盘偏差可能很大，任何开关都先用模拟盘验。
input class="type">class="kw">double TPval = class="num">10; class=class="str">"cmt">// If Not Use Automatic TP - Input TP value in Pips input YN TrailingSLTP = Yes; class=class="str">"cmt">// Use Trailing SL/TP(Yes) or(No) input YN autotrl = Yes; class=class="str">"cmt">// Use Automatic Trailing(Yes) or(No) input class="type">class="kw">double TSval = class="num">5; class=class="str">"cmt">// If Not Use Automatic Trailing Input Trailing value in Pips input class="type">class="kw">double TSmin = class="num">5; class=class="str">"cmt">// Minimum Pips to start Trailing Stop input class="type">class="kw">double TPmin = class="num">25; class=class="str">"cmt">// Input Trailing Profit Value in Pips input YN Close_by_Opps = Yes; class=class="str">"cmt">// Close Trade By Opposite Signal(Yes) or(No) input YN SaveOnRev = Yes; class=class="str">"cmt">// Close Trade and Save profit due to weak signal(Yes) or(No) class=class="str">"cmt">//--Others Expert Advisor Parameter input group "=== Others Expert Advisor Parameter ==="; class=class="str">"cmt">// Others EA Parameter input YN alerts = Yes; class=class="str">"cmt">// Display Alerts / Messages(Yes) or(No) input YN UseEmailAlert = No; class=class="str">"cmt">// Email Alert(Yes) or(No) input YN UseSendnotify = No; class=class="str">"cmt">// Send Notification(Yes) or(No) input YN trade_info_display = Yes; class=class="str">"cmt">// Select Display Trading Info on Chart(Yes) or(No) input class="type">ulong magicEA = class="num">2023111; class=class="str">"cmt">// Expert ID(Magic Number) class=class="str">"cmt">//--- ENUM_TIMEFRAMES TFs[]={PERIOD_M5,PERIOD_M15,PERIOD_M30,PERIOD_H1,PERIOD_H2,PERIOD_H3,PERIOD_H4,PERIOD_H6,PERIOD_H8,PERIOD_H12,PERIOD_D1}; class="type">int arTFs=ArraySize(TFs); class=class="str">"cmt">//-- for(class="type">int x=class="num">0; x<arTFs; x++) { if(singletf==x) TFt=TFs[x]; class=class="str">"cmt">// TF for single-timeframe if(tfstart==x) arstr=x; class=class="str">"cmt">// multi-timeframe start calculation timeframe if(tfclose==x) arend=x; class=class="str">"cmt">// multi-timeframe end calculation timeframe } class=class="str">"cmt">//-- if(arstr>=arend) {
◍ 多周期数组与品种清单的初始化落点
EA 在启动时若检测到起始周期大于结束周期，会直接弹窗报错并调用 ExpertRemove() 把自身从图表卸掉，而不是静默运行。这段防护意味着你手动填参数时，M5 必须排在 H4 前面，否则策略根本不会跑。 switch(tfinuse) 里分了 MTF 与 STF 两种模式：MTF 下 TFTri 数组长度由 arend-arstr+1 算出，尾段一半位置 tftrlst 对应的周期拿去做移动止损（TFts），而 tfcinws 位置周期用于弱信号平仓（TFCWS）；STF 模式则直接用当前选定周期做止损，弱信号平仓周期往前推 2 档，越界时锁死为 1。 下方 TFs[] 写死了 11 个周期从 M5 到 D1，TFMTF 枚举一一映射，方便用索引而不是裸数字去引用。HandlingSymbolArrays() 开头把 EURUSD、GBPUSD、AUDUSD、NZDUSD、USDCAD、USDCHF、USDJPY、EURGBP 等主流外汇对塞进 All30[]，说明这套多周期逻辑默认就奔着跨品种扫描去的。 开 MT5 把 TFs[] 改成你常看的周期组合，再故意把 Start/End Timeframe 填反，能当场验证 ExpertRemove() 是否触发——外汇与贵金属杠杆高，参数错配可能让实盘不挂单，先用策略测试器跑一遍再上真仓。
Alert("Error selecting Start and End Timeframe, Start Timeframe must be smaller than End Timeframe"); Alert("-- "+expname+" -- ",Symbol()," -- expert advisor will be Remove from the chart."); ExpertRemove(); } class=class="str">"cmt">//-- class="kw">switch(tfinuse) { case MTF: { TFArrays=arend-arstr+class="num">1; ArrayResize(TFTri,TFArrays,TFArrays); ArrayCopy(TFTri,TFs,class="num">0,class="num">0,WHOLE_ARRAY); tfcinws=arstr+class="num">1; tftrlst=(class="type">int)TFArrays/class="num">2; TFts=TFs[tftrlst+arstr-class="num">1]; class=class="str">"cmt">// TF for Trailing Stop TFCWS=TFs[tfcinws]; class=class="str">"cmt">// TF for Close Order in weak signal break; } case STF: { TFArrays=arTFs; ArrayResize(TFTri,TFArrays,TFArrays); ArrayCopy(TFTri,TFs,class="num">0,class="num">0,WHOLE_ARRAY); tfcinws=TFIndexArray(TFt)-class="num">2 <=class="num">0 ? class="num">1 : TFIndexArray(TFt)-class="num">2; TFts=TFt; class=class="str">"cmt">// TF for Trailing Stop TFCWS=TFs[tfcinws]; class=class="str">"cmt">// TF for Close Order in weak signal break; } } ENUM_TIMEFRAMES TFs[]={PERIOD_M5,PERIOD_M15,PERIOD_M30,PERIOD_H1,PERIOD_H2,PERIOD_H3,PERIOD_H4,PERIOD_H6,PERIOD_H8,PERIOD_H12,PERIOD_D1}; class=class="str">"cmt">//-- enum TFMTF { TFM5, class=class="str">"cmt">// PERIOD_M5 TFM15, class=class="str">"cmt">// PERIOD_M15 TFM30, class=class="str">"cmt">// PERIOD_M30 TFH1, class=class="str">"cmt">// PERIOD_H1 TFH2, class=class="str">"cmt">// PERIOD_H2 TFH3, class=class="str">"cmt">// PERIOD_H3 TFH4, class=class="str">"cmt">// PERIOD_H4 TFH6, class=class="str">"cmt">// PERIOD_H6 TFH8, class=class="str">"cmt">// PERIOD_H8 TFH12, class=class="str">"cmt">// PERIOD_H12 TFD1 class=class="str">"cmt">// PERIOD_D1 }; class=class="str">"cmt">//-- class="type">void MCEA::HandlingSymbolArrays(class="type">void) { class=class="str">"cmt">//--- class="type">class="kw">string All30[]={"EURUSD","GBPUSD","AUDUSD","NZDUSD","USDCAD","USDCHF","USDJPY","EURGBP",
「把货币篮子塞进数组再切分」
做跨品种扫描时，先把盯盘范围固化成数组最省事。下面这段把 30 个直盘与交叉盘（含 XAUUSD、XAGUSD）收进 All30，注释里标了 // 30 pairs，实际数一下正好是 22 个非美交叉 + 2 个贵金属 + 其余美系，总长度 30。 按币种再拆出 USDs、EURs、GBPs 等子数组，每个长度 7~9 不等，例如 USDs 含 9 个品种、JPYs 含 7 个。这样后续算相对强弱，直接按数组下标轮询，不用硬写一串 if。 初始化阶段用 ArraySize 取长度，ArrayResize 给 VSym 扩到 sall，再 ArrayCopy 把 All30 整块搬过去；WHOLE_ARRAY 表示从头拷到尾。 如果用户选了自定义白名单（usepairs==TrdWi）且 traderwishes 里没写占位的 "eg."，就进入字符串切分：拿逗号当分隔符，用 ushort 存分隔符编码，下一步 StringSplit 就能把 "EURUSD,GBPJPY" 这类手写清单拆成可交易的子数组。外汇与贵金属杠杆高，数组跑出来的信号仅作概率参考，实盘前务必在 MT5 策略测试器里过一遍。
class="type">class="kw">string All30[]={"EURAUD","EURNZD","EURCAD","EURCHF","EURJPY","GBPAUD","GBPNZD","GBPCAD", "GBPCHF","GBPJPY","AUDNZD","AUDCAD","AUDCHF","AUDJPY","NZDCAD","NZDCHF", "NZDJPY","CADCHF","CADJPY","CHFJPY","XAUUSD","XAGUSD"}; class=class="str">"cmt">// class="num">30 pairs class="type">class="kw">string USDs[]={"USDCAD","USDCHF","USDJPY","AUDUSD","EURUSD","GBPUSD","NZDUSD","XAUUSD","XAGUSD"}; class=class="str">"cmt">// USD pairs class="type">class="kw">string EURs[]={"EURAUD","EURCAD","EURCHF","EURGBP","EURJPY","EURNZD","EURUSD"}; class=class="str">"cmt">// EUR pairs class="type">class="kw">string GBPs[]={"GBPAUD","GBPCAD","GBPCHF","EURGBP","GBPJPY","GBPNZD","GBPUSD"}; class=class="str">"cmt">// GBP pairs class="type">class="kw">string AUDs[]={"AUDCAD","AUDCHF","EURAUD","GBPAUD","AUDJPY","AUDNZD","AUDUSD"}; class=class="str">"cmt">// AUD pairs class="type">class="kw">string NZDs[]={"AUDNZD","NZDCAD","NZDCHF","EURNZD","GBPNZD","NZDJPY","NZDUSD"}; class=class="str">"cmt">// NZD pairs class="type">class="kw">string CADs[]={"AUDCAD","CADCHF","EURCAD","GBPCAD","CADJPY","NZDCAD","USDCAD"}; class=class="str">"cmt">// CAD pairs class="type">class="kw">string CHFs[]={"AUDCHF","CADCHF","EURCHF","GBPCHF","NZDCHF","CHFJPY","USDCHF"}; class=class="str">"cmt">// CHF pairs class="type">class="kw">string JPYs[]={"AUDJPY","CADJPY","CHFJPY","EURJPY","GBPJPY","NZDJPY","USDJPY"}; class=class="str">"cmt">// JPY pairs class=class="str">"cmt">//-- sall=ArraySize(All30); arusd=ArraySize(USDs); aretc=ArraySize(EURs); ArrayResize(VSym,sall,sall); ArrayCopy(VSym,All30,class="num">0,class="num">0,WHOLE_ARRAY); class=class="str">"cmt">//-- if(usepairs==TrdWi && StringFind(traderwishes,"eg.",class="num">0)<class="num">0) { class="type">class="kw">string to_split=traderwishes; class=class="str">"cmt">// A class="type">class="kw">string to split into substrings pairs name class="type">class="kw">string sep=","; class=class="str">"cmt">// A separator as a character class="type">class="kw">ushort u_sep; class=class="str">"cmt">// The code of the separator character class=class="str">"cmt">//--- Get the separator code