MQL4 and MetaTrader 4 - page 622

I uploaded the .ex4 indicator to mql4>indicator folder but on the platform the icon of the indicator is grey and I can't apply it in to the chart anyone know how to fix it?  

If you want to fit a parabola (y=ax^2+bx+c) to e.g. the last 3 values of a buffer, you need to solve a system of 3 linear equations. In software like Matlab or R that is really easy to do, but how would you do it in mql4? I guess there is no function for this?

Let me introduce myself. I'm a database architect (as opposed to a mathematician) with very strong programming skills in all things database (sql, t-SQL, PL/SQL) and have enough skill in non-database languages (C,C++,C#, VB/VBA) to make do. I worked within the confines of the Financial Services

Hi guys, is possible move chart without using DLL? By use user32.dll functions SendMessageA(..) or PostMessageA(..) I can move chart, virtual key PgUp, PgDw, key F12 etc. But does exist solution with use pure mql4? Thank you.

Hi, i would like to set the webpage on ea while it opens every time. please suggest me to do if possible in mql4? Your support is appreciated.

I've noticed for the past several builds (since 765) that there will be times where the terminal gui will freeze, but the terminal seems to continue placing orders.  In other words, I cannot click on anything on the terminal (it is unresponsive).  But when the terminal becomes responsive again, you...

Hi All,  I wanted to create an EA that would open a trade at specific date and time. I also wanted to add Trailing Stop to it. I made a research on this forum and did not find ready solution. So I tried to mix some EAs. Som efeuterues added correctly. However I have a problem with Trailing Stop that...

Hello everyone, I hope someone can help me with my problem. Now I want to plot a Fibonacci Extention in my EA based on upper and lower Bollinger Bands. The problem is that Fibonacci is following only one band (one price). The secound price remains the same. This is the code which causes the problem...

I have some open trades in meta trader, how do I list all their tickets? All I found in mql documents is about how to get the ticket of a "selected" order before  I have some orders which no one is selected, I need a list of oreders tickets, then I select one of them by first ticket then do some...

Hello. I want to share my 3rd party program which allows to create mql4 advisors with embedded blocks. The main goal of program is to give ability to create advisor with templates and embedded functionality. Main screen of program  Based on added blocks, for example time of play Hours, day of week,...

Hi.  In researching this I see this was once not possible pre. build 600.  My question is whether it is now possible post build 600?  structures and classes ?   My objective is to pass the array values populated in one function into another function with a global declared array?    For example:...

The correlation matrix table and charts are showed together in same page...look like very metcy.how to ignore the chart???? I want show matrix table only...any idea?

DEAR SIR I NEED HISTORICAL DATA FOR ALL FOREX PAIRS , USING DOWNLOAD I HAD DOWNLOADED ONLY FOR 2 MONTHS, SIR I NEED DATA FOR FOREX ALL PAIRS FOR  1 YEAR IN SIMPLE HOW TO DOWNLOAD 1 YEAR FOREX ( ALL PAIRS ) 1 MIN HISTORICAL DATA USING DOWNLODER IN MT4 PLEASE EXPLAIN THE PROCEDURE TO DOWNLOAD

How do i exactly use symbolselect function?I used it this way it doesn't work String pair="EURUSD"; SymbolSelect(Pair,true); Alert (symbol());  i use alert to see if the symbol is selected but i see it always alerts usdchf by default, Please me with,  write the exactly code which select EURUSD...

Hi there,   This is my first post, so I hope its gonna make any sense :)    How can I have a reversed Array (like a timeseries), and prepend a new element into the Array and throw the last one out (if over max-length).  So Array[0] is the newest value and Array[49] is the last value.. I tried like...

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Hi, I am new to this forum and looking for help to load my orders from excel file with the following schemas: Type, size symbol, price and T/P. Any help to guide me to any help to the previous need. Is there any established application for this need available in the market? Thanks and looking for...

Hi.... I use IndicatorCounted () Function  (mql4) . but it return (-1) (counted_bars<0)  every time.....what is wrong? where is problem?

Your support is appreciated..

Hi, I make an EA run from 1 chart. This EA want to get the exact price of all current tradable symbol of that time. 1) I open file symbol.raw to get all available symbol and use function MarketInfo(sym,MODE_TRADEALLOWED); to check if it is tradable. Some symbol that function return 1 but the symbol...

Hi mt4.  I`ve been trading this demo account for almost a year now. It is doing good, and considering the amount of work ive put into it, id like to keep it. But something i did on my machine messed up my terminal. Now everything is reset - all indicators, templates. Good news my accounts are there...

Hi, Is it possible to attach/run an EA while opening a certain chart programmatically? Thanks...

Have I done something and messed up my settings? I no longer see a search function here. I'm still using Windows XP 

I was wondering if anyone can explain why I would use Time[ ] over iTime, or Open[ ] over iOpen. They seem like they do the same thing, just in a different way.  Sorry if there are already topics on this.

Hello, I have an .ex4 indicator along with .dll. The owner of it says I can only test it in backtesting and is not giving me an option of forward testing without paying upfront (it expires tonight and trades are usually in the morning). Now the results shown in backtest is great and I ran it in...

Hello All, Do we handle redirect process in Webrequest function.   Thanks In Advance Abhishek 

Hi Guys I`m here with a problem again. In my EA I calculate an average level, i named AvgLevel and i am using it for signals. if ( Ask > AvgLevel && Open[ 1 ]<Close[ 1 ] && Open[ 1 ]<AvgLevel ) This is a small part of the signal check , but this code without the last part shown bellow trades. With

Would someone know if its  possible to send from mt4 to excel in separate columns..same row..for the same order number.. Then next row for different order number etc.. 1..order entry price , stoploss,closing price,variable calc1,var calc2, And about 10 other variable calcs Some calcs occur before...

Where can I find the difference instructions of the functions below? I didn't find the differences even though I tried to print the return values. 1. Between DoubleToStr() and DoubleToString()? 2. Between CharToString() and CharToStr() ? 3. Between StringGetCharacter() and StringGetChar()? You...

Hi, I am very new to this, and I am learning mql4 so I can backtest some of my strategies with the MT4 strategy tester. I have a very simple strategy that buys in the direction of the last candle printed as soon as a new candle prints. My EA doesn't seem to work correctly. The results don't make...