MQL4 and MetaTrader 4 - page 739

Hi!  I wish to make the following: When there are active trades shown in the TRADE TAB I would like to be able to high light the trade and when the trade is high lighted the chart for that pair is brought up in the window. If the chart is not opened in the window, it will open a new chart. If I move...

Hi, what are the best formulas to evaluate the performance of a back test? because now we can use the ontester function, we can implement our own formula here... but which one? :) is the SQN (Strategy Quality Number) used by strategyquant in their EA Analyzer tool is good? thanks for your comments!

Is it possible to take the values of an indicator and put them into an array so that the values of the indicator can be looped through. I have tried for a while to find a way to do this but can't work it out. Below iis the core of the code for an indicator to mark spike highs (it allows for bars...

Hi guys, is it possible on MT4 to use an indicator with not standard timeframe within an EA working on another not standard timeframe but on the same symbol? For example, is it possible to recall an Adx with timeframe 2H within an EA working on 40 minutes timeframe on the same symbol? Thanks a lot

I want to work EA on Build 600+ on MT4 but unable to solve this two complilation error.If any coder can guide what to do in such case would be great help to move on...on this issue. 1."not all control paths return a value" 2."return value of 'OrderSelect' should be checked "

int start()  {        // +---------------------------------------------------------------------------------+   // | LONG LOGIC                                                                      |   // +---------------------------------------------------------------------------------+      bool...

I have an indicator that draws horizontal lines on a chart based on swings.  Now, the math works every time (Comment() shows the values).  But the indicator isn't re-drawing when it should. Can anyone tell me why? Note: the functions HLineCreate, HLineMove, HLineDelete are from the help text....

Hi, I'm developing an EA that besides placing orders, create Alerts for take profit. Is there a command to create the Alerts in the terminal window ?   Thanks. 

Hi everyone, I'm looking for an EA which automatically trades on the break of a trendline. Ideally, it would have the following features: 1) Ability to set a stop loss (in pips from the opening price) 2) Ability to set a target profit (in pips from the opening price OR an actual price target) 3)...

I've written my EA, and it acts kind of strange on live but on tester it works all fine. On live it's giving me this error after what EA stops working "2014.06.25 14:24:01.661    array out of range in 'Buy.mqh' (116,48)" It's kind of strange because line 116 in that file is "else if (BUYSTOP_MODIFY...

hello, i try to attach indicators that i download (FFx macd for example), but i cant attach it to the chart , it just have the option to reset...(as you can see in the photo) this happened after i updated the metatrader 4 version to 646 . also, old indicators also stopped working and doing the same

Hi forum,   First time poster here, please forgive me for any bad etiquette.  I'll do my best to keep this post polite and informative for other readers.   Using this and other forums, I have spliced together a very rough EA.  I plan to develop it as my skill set grows.  For now, I have managed to...

Hello, I have programmed an indicator which seems to work at first when placed on a chart but will change it's behavior when running. I know it has something to do with how I'm calculating Limit for the for loop. Maybe I'm missing something obvious... Here's what I've got: (running on the M1 chart)...

Hi guys, I just bump in to MathRand() function but it only calculates positive number. Do you have any idea on how to get random double numbers from -1.0 to 1.0? Thanks...

The tested tick value  of EJ is 100, the deposit currency is USD.   I think this tick value is not correct,but the broker agent insist that it  is right.     //+------------------------------------------------------------------+//|                                                    tickvalue.mq4...

Hi there, I'm trying to create HLines for every specified amount, for example every .0025 pips there should be another HLine. I've tried to do this on EURUSD with a script on and a custom indicator but no luck. This is the script version string objectName = "HL at: ";long chartID = ChartID();double...

I'm looking for a way to find the last high and last low based on moving averages.  The arrows in the attached image show what I'm looking for.   I don't use the current moving average trend.  I look for the last swings.  I've drawn the lines that are the last 2 'swings' in the High and Low. I've...

Hi All, I currently have an indicator that i am happy using which will simply place an Up Arrow or Down Arrow over a bar. I would like to know if it is possible to create another indicator that can read/pick up when an arrow has been placed on my chart. If this is possible could you please point me...

I would like to be able to place a Limit order at a specific price, and then when the order is placed, put another limit order at the previous price.  I know how to open and close trades, but haven't worked with Limit orders.  Does anyone have ideas on how I would accomplish this? Thanks!

when I compile the code (indicator), it does not say any errors. But when I try mounting indicator in the window price, the indicator box appears, but not the line of the indicator. Does anyone knows why is happening that? This is the code:...

I decided to open a thread for functions, that seem weird to me. It is not a bug report, just rather a warning for users. long  ChartOpen(    string           symbol,     // Symbol name    ENUM_TIMEFRAMES  period      // Period    ); Opens a new chart with the specified symbol and period The most...

During testing of an EA the terminal crashed. Normally I am able to go back into the terminal and continue where I stopped. This time the terminal does not run but crashes immediately after trying  to restart. How do I fix this?

Hi: I've most probably developed a monster that haunts me. It (this monster EA) trades with NO issues if I trade ONE pair. But its designed to trade up to 25 pairs at the same time. So - when I put it on (say) 15 pairs it also goes well - but up to a point. That point is where one or more of the...

Hi all, Is there no way to change symbol names in mt4?. If i want to import historical data diferent to forex pairs i can't find the way to change or create new symbols names, i'm trying to use mt4 to backtest other products, for instance, importing futures data. Is there a way to add or change...

What is the difference Between Indicator and EA ?

Hello. Hope somebody want  help me.  I have updated my pc from Windows XP to Windows 7 , and reinstalled the Metatrader 4. After that, I moved my experts and indicators to the correct folders (my experts in the folder MQL4 > Experts and my indicators in the folder MQL4>Indicators), but when I launch...

Hello, i am looking for a private lessons in mql4/5, online classes, maybe by skype or something similar. i can study alone, but i think that i spend too much time to find answer for any tiny error that can happend. i preefer spanish, but english is ok. Greetings from Chile

Hello, i need a script to save the data of candles marked by vertical lines as csv or html , can anyone help ? :| , or is there any script can do that?

How to export data in some data type before stop EA ? When start EA again ,how to import data back ? Thank you

Hi, I am learning to use an array of the structure data type.  Specifically, to accessthe multiple dot-notated variables' from the structure array .   I can declare a structure, list thevariables, assign data to those dot-notated variables, declarean array from the structure data type, assign the...