Discussion of article "Trade Operations in MQL5 - It's Easy" - page 3
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Can you tell me if it is possible to implement this construction from MQL4 using m_Trade.PositionModify (m_Trade is a member of CTrade class)?
The point of the script is to open a buy on the market with a given number of lots, and then set a take profit in 10 parts. I got stuck in the fact that without setting a stop loss PositionModify gives error 10016(Incorrect stops in the request). And there is no task to set a stop :). In the help it says that it is possible not to specify a value:
I tried to pass the value obtained from the previous purchase request (there is zero of course), well, the same rake only in profile. Here is my code:
Thank you in advance for your help.
Good Introduction to Object Oriented Programming in MQL5.
With MT5 build 1347 the first code example fails to compile with error "illegal switch expression type".
I had to add casting to int in switch statements in AccountInfo.mqh to make it work, like:
switch((int)MarginMode())
Similar problem on RTS-3.13 Opening-demo, tried everything (while limit orders are set to ORDER_TIME_SPECIFIED_DAY as written in the symbol profile) !!!!. While buy-stop order is perfectly open in the market manually. This is a terminal glitch, you should write to the developers
Hello
On some brokers (FoxPro for example) when trying to open a position error 10030. Code description: invalid fill. On other brokers (for example Alpari) works without these lines
In the block of initialisation of the Expert Advisor wrote different values in the code:
Does not help. How to solve the problem? Or is this CTrade class outdated and does not correspond to the latest terminal updates and I need to write trade operations according to the standard scheme through the structure?
UPD: Rashid posted a library file above, it solved my problem. It's sad that the standard library has an error. I will now study the comparison to see if it is possible to make some changes directly in the EA without replacing the library so that everything works
Good Introduction to Object Oriented Programming in MQL5.
With MT5 build 1347 the first code example fails to compile with error "illegal switch expression type".
I had to add casting to int in switch statements in AccountInfo.mqh to make it work, like:
switch((int)MarginMode())
Hi, Thanks for this very helpful post and please help me resolve this. I am new to MT5 and am learning to create EAs so I copied sample code to execute Ctrade.Buy but the backtest failed. Here's more info:
1) Account: Its a live account with base currency as NZD
2) MetaEditor settings for backtest:
3) Code: Copied from https://www.mql5.com/en/articles/481:
//+------------------------------------------------------------------+
//| demo.mq5 |
//| Copyright 2017, MetaQuotes Software Corp. |
//| https://www.mql5.com |
//+------------------------------------------------------------------+
#property copyright "Copyright 2017, MetaQuotes Software Corp."
#property link "https://www.mql5.com"
#property version "1.00"
#include<Trade\Trade.mqh>
//--- object for performing trade operations
CTrade trade;
//+------------------------------------------------------------------+
//| Expert initialization function |
//+------------------------------------------------------------------+
int OnInit()
{
//--- set MagicNumber for your orders identification
int MagicNumber=123456;
trade.SetExpertMagicNumber(MagicNumber);
//--- set available slippage in points when buying/selling
int deviation=10;
trade.SetDeviationInPoints(deviation);
//--- order execution mode
trade.SetTypeFilling(ORDER_FILLING_RETURN);
//--- logging mode: it would be better not to declare this method at all, the class will set the best mode on its own
trade.LogLevel(1);
//--- what function is to be used for trading: true - OrderSendAsync(), false - OrderSend()
trade.SetAsyncMode(true);
//---
return(0);
}
//+------------------------------------------------------------------+
//| Expert deinitialization function |
//+------------------------------------------------------------------+
void OnDeinit(const int reason)
{
//---
}
//+------------------------------------------------------------------+
//| Expert tick function |
//+------------------------------------------------------------------+
void OnTick()
{
BuySample1();
}
//--- Buy sample
//+------------------------------------------------------------------+
//| Buying a specified volume at the current symbol |
//+------------------------------------------------------------------+
void BuySample1()
{
//--- 1. example of buying at the current symbol
if(!trade.Buy(0.1))
{
//--- failure message
Print("Buy() method failed. Return code=",trade.ResultRetcode(),
". Code description: ",trade.ResultRetcodeDescription());
}
else
{
Print("Buy() method executed successfully. Return code=",trade.ResultRetcode(),
" (",trade.ResultRetcodeDescription(),")");
}
//---
}
4) Error log (Please note that I am testing only on EUR/USD):
GJ 0 19:36:44.410 127.0.0.1 login (build 1730)
HH 0 19:36:44.420 Network 38520 bytes of account info loaded
JO 0 19:36:44.420 Network 1482 bytes of tester parameters loaded
QE 0 19:36:44.420 Network 188 bytes of input parameters loaded
FR 0 19:36:44.421 Network 443 bytes of symbols list loaded
IF 0 19:36:44.421 Tester expert file added: Experts\demo.ex5. 46684 bytes loaded
QH 0 19:36:44.433 Tester initial deposit 10000.00 NZD, leverage 1:100
JN 0 19:36:44.437 Tester successfully initialized
ES 0 19:36:44.437 Network 46 Kb of total initialization data received
PP 0 19:36:44.437 Tester Intel Core i7-4510U @ 2.00GHz, 8103 MB
RJ 0 19:36:44.799 Symbols EURUSD: symbol to be synchronized
HR 0 19:36:44.800 Symbols EURUSD: symbol synchronized, 3624 bytes of symbol info received
NJ 0 19:36:44.800 History EURUSD: history synchronization started
GO 0 19:36:44.856 History EURUSD: load 27 bytes of history data to synchronize in 0:00:00.000
RQ 0 19:36:44.856 History EURUSD: history synchronized from 2012.01.01 to 2017.11.15
EF 0 19:36:44.993 History EURUSD,Daily: history cache allocated for 1010 bars and contains 312 bars from 2014.01.01 00:00 to 2014.12.31 00:00
ND 0 19:36:44.993 History EURUSD,Daily: history begins from 2014.01.01 00:00
OL 0 19:36:44.996 Tester EURUSD,Daily (HalifaxPlus-Live): every tick generating
GN 0 19:36:44.996 Tester EURUSD,Daily: testing of Experts\demo.ex5 from 2015.01.01 00:00 to 2017.11.15 00:00 started
CK 0 19:36:56.288 Symbols NZDUSD: symbol to be synchronized
IS 0 19:36:56.288 Symbols NZDUSD: symbol synchronized, 3624 bytes of symbol info received
JL 0 19:36:56.288 History NZDUSD: history synchronization started
HJ 0 19:36:56.575 History NZDUSD: load 14 Kb of history data to synchronize in 0:00:00.078
LS 0 19:36:56.575 History NZDUSD: history synchronized from 2013.01.01 to 2017.11.15
CO 0 19:36:56.579 Symbols EURNZD: symbol to be synchronized
OJ 0 19:36:56.580 Symbols EURNZD: symbol synchronized, 3624 bytes of symbol info received
DL 0 19:36:56.580 History EURNZD: history synchronization started
MK 0 19:36:56.656 History EURNZD: load 27 bytes of history data to synchronize in 0:00:00.000
OD 0 19:36:56.656 History EURNZD: history synchronized from 2013.01.01 to 2017.11.15
IN 0 19:36:56.665 Trade 2015.01.02 03:00:00 market buy 0.10 EURUSD (1.20538 / 1.20549 / 1.20538)
PE 0 19:36:56.665 Trades 2015.01.02 03:00:00 deal #2 buy 0.10 EURUSD at 1.20549 done (based on order #2)
FH 0 19:36:56.666 Trade 2015.01.02 03:00:00 deal performed [#2 buy 0.10 EURUSD at 1.20549]
OG 0 19:36:56.666 Trade 2015.01.02 03:00:00 order performed buy 0.10 at 1.20549 [#2 buy 0.10 EURUSD at 1.20549]
FO 0 19:36:56.670 demo (EURUSD,D1) 2015.01.02 03:00:00 Buy() method executed successfully. Return code=10009 (done at 1.20549)
NM 2 19:37:15.823 History NZDUSD 2016.09.21 23:01:00: corrupted history detected (s:-73370, o:73433, h:+48, l:-123, c:-117 -- tv:63, rv:11250111)
JF 2 19:37:15.823 History NZDUSD 2016.09.21, bad container found, must be resynchronized
LQ 2 19:37:16.106 Tester history error 9 in undefined function
OH 2 19:37:16.106 Tester stopped on 0% of testing interval with error '20 NZDUSD'
Please tell me whats wrong and how do I resolve this?