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I am looking for a methodology to restrict the visualization of an indicator's separate window, by code  There does not seem to be something like SetIndexVisualization(.... TimeFrame)   I can easily restrict the indicator's output to specific Periods. the issue is that on the not required Timeframes...
  Distance arrows / candles (11   1 2)
Hello everyone. I need help to solve a problem on the distance of the arrows from the candles. I have these two codes: int OnCalculate(const int rates_total,                const int prev_calculated,                const datetime& time[],                const double& open[],                const...
please tell me what happens for the data history after installation in mt4 does it recalculated automatically  according to the brokers time zone or should i do something to match it with my brokers timezone   
Please, how can I program my EA to return the values of extern or input variables from other charts? It is not as if I want to attach several EA's to charts. What function is necessary to achieve such a task? In view of my question, exactly what do the following mean for variable of extern?
Is there any methods that can use slow complete algorithm in MT4? I want to know how to increase optimizer passes. If third party software can do it, Let me know it.
  Change code (1)
Hi  In my EA,  I'd like to change this code:    int lvl=MathLog(maxlots/lot)/MathLog(2)+1;  if (lvl<0) lvl=0;     lot2= lot*MathPow(2,lvl);  lvl is a level which is depending of maxlots , lot is the initial lot and lot2 is the result lot level after level. In this case with Matpow the result is a...
  help with mt4 (3)
I have downloaded the MT4 software from FXCM USA   However when I start metaeditor  and i open the sample it says words like onInit and onTick These are mt5  language code words when I enter the following code from the book  as follows...
GumRai: Are you serious??? Your opening post in your very recent topic at https://forum.mql4.com/71996 So you already know how to do it. Lol... . Funny. Actually, it did not occur to me. Now I know I should figure it out by writing an empty string to all the records in the file. Thanks.
Hi all,  I come across  with an issue; When I put the ea for the first time an order is opened, then when that order closes the next one opens normally, meaning that the ea waits for price goes up or down the OpenLevel What I expect the ea to do is from the very beginning it should wait until the...
The code appears to executes OK ( i.e. reads details from file and My_Handle_line seems OK - 2) -but still generates the ERROR code 5008 My_Handle_Line  = FileOpen("Dashboard\\"+fname, FILE_CSV|FILE_READ, "|");                                  Write_my_Error("80010A My_Handle_Line =...
New article Graphical Interfaces II: The Main Menu Element (Chapter 4) has been published: This is the final chapter of the second part of the series about graphical interfaces. Here, we are going to consider the creation of the main menu. The development of this control and setting up handlers of...
HI  Can anyone tell me what happened to my buttons? They all switched from english to these weird characters(see photo).  I have several MT4 platforms and they all have the same problem. I am not sure if it is a an MT4 issue or a Windows one. I am running Windows 7.    Thanks   
Can the int init() function be called from the rest of the functions in the program? Thank you in advance.
Hi all and Happy new year, I hope you can help with this, I'm trying to install metatrader (demo account) for backtesting data from tickstory. I have to run MT4 from an external hard drive, I've deleted metatrader, installed to the hard drive and unchecked the launch on completion check box so I can...
Hi, Suddenly I'm not able to connect with us dollar index chart... "always Wating for update~~" Every other charts, like eurusd, gpbusd.. etc. work properly.  What can i do?  Thanks.. 
Now why would this give OrderModify Error#1? Ea Attached. //#################################################################//#################################################################double...
I would like to substitute individual variables in a controlled fashion such that changes to a struct can be managed.  //                   -F- -?v- -s- ----xcn----  ----gmt----  -m- -g- --tz-- -?d-?l-  -dlst- -r- string mpformat = ",,%s  ,%i ,%s ,%s,%s,%s,%s ,%s,%s,%s,%s, ,%i ,%d ,%s,%s ,%i,%i%...
Each time I read from a file and close the file, the file becomes empty the next time I want to read or write to the file. What mechanism or function can I use to retain the content of the file in order to add to the existing content of the file or read the file again on the next opening of the file...
New article Area method has been published at mql5.com: The "area method" trading system works based on unusual interpretation of the RSI oscillator readings. The indicator that visualizes the area method, and the Expert Advisor that trades using this system are detailed here. The article is also...
New article Graphical Interfaces II: the Separation Line and Context Menu Elements (Chapter 2) has been published at mql5.com: In this article we will create the separation line element. It will be possible to use it not only as an independent interface element but also as a part of many other...
New article Universal Expert Advisor: Custom Strategies and Auxiliary Trade Classes (Part 3) has been published at mql5.com: In this article, we will continue analyzing the algorithms of the CStrategy trading engine. The third part of the series contains the detailed analysis of examples of how to...
I encountered with this error in pretty complex scripts. In some scripts it worked okay, but in the some scripts even the simple one like this one, it just repeats itself. Same volume is shown constantly.  //+------------------------------------------------------------------+ //|...
Hi,   I'm an Etoro user trying to switch to mql (i'm a senior programmer).   On Etoto, say i wanted to invest 500$ on EURUSD at x10 risk, i would open the buy window, input 500, select x10 risk and that's it.   How would i do the same thing with the OrderSend method? i don't see a parameter for...
Hello comrades, just as the integer values for OP_BUY, OP_SELL, OP_BUYLIMIT, OP_SELLLIMIT, OP_BUYSTOP and OP_SELLSTOP are 0, 1, 2, 3 and 4, respectively, are there integer values for the traded instruments. That is, integer values for GBPUSD, EURUSD, USDJPY, etc. The idea is to run through the...
Hi, I would like to ask the forum the forum the following: In an indicator in the Init block code, I have added some code to test the accountnumber, AccountCompany & IsDemo if the accountnumber,AccountCompany & IsDemo are equal to their preset values then the indicator Starts else it doesnt start....
Hello,  I am new to MT4, and am wanting to write an Expert Adviser that will be able to take full tick data from multiple markets.  Is this possible?   Thanks in advance! 
Hello, I'm looking for a VPS service to host my EAs. What/who do you recommend for VPS service? Thanks in advance, - Lil
I need to get the value of a particular candle, for example H1 10:00 today or the previous day. How do I get the size anytime during the day, Low, High, some specific candle?
Hi all,   I wonder if someone could help me out. It's driving me crazy.    I have the following code:   // Check previous candle and previous of previous candle   double bar1=Close[1]-Open[1];   double bar2=Close[2]-Open[2];   Print("CheckEntry");   Print("bar1 "," Close[1]: ",Close[1]," - ","...
Dear All, This is my first post on this forum. So far I have managed to find solutions to my problems in other threads but not for this one. And it seems so simple. I need the class public members to be visible in an entire Expert Advisor, not only in function, within which a given class was...
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