MQL4 and MetaTrader 4 - page 11

Hello, I'm having difficulties using this library and I need someone to point me in the right direction. I'm trying to create an array full of CCandle references, print the contents, change one of the values and then print the contents again to display the modified value. This the code I have at

hello everyone,  renko street trend is really interesting indicator when it is combined with renko chart, but it sometimes repaints, it is a signal bars indicator as you can see in the photo, so i am asking if there are no repainting version ? or if someone can recode it? it needs only one line of...

Hi Coders! I'm looking for a little number to string function. I have a number, for example: 344256454.23 and I would like to print it in this form: 344,256,454.23 Is it possible with bult-in function? Or I have to write this function? Thank you. Relative

Hello, Does anyone know where I can find an indicator that takes in price values, which when reached or surpassed will cause the indicator to send a sound alert

Hello, I would like to warn the community about comparing prices. Code like: Close[n] < Close[n+2] is not reliable and gives invisible differences for the logic from what you can tell, when using Digits to limit the number of displayed digits. I just found this out by going a bit crazy on code that

Hi; Got hardware setup to trade MT4 as follows: Laptop with second monitor attached which is used for MT4 only. Works just fine. Except; messages displayed by the EA on screen using MT4 MessageBox command are always shown on the laptop monitor not the monitor I use for MT4 trading. Why is that and

Hi, I have a question about freeze level. According teh below line from teh documentation, you cannot modify a market order if sl or tp is withinn freeze level distance from teh market price. " An order cannot be modified, if the execution price of its StopLossor TakeProfit ranges within the...

Hi, phenomenon. This piece of code is rejected when I compile from the editor, but not when its compiled via commandline. Editor compiler reports: "T" unexpected token for the first line. public : template < typename T> T Get( int index, T defaultvalue=(T) NULL ) { // ... if

The error message is that The request body contains invalid JSON.", "code":50109. I don't know how to correct the problem. Can anyone help me? Thanks! bool SendDiscordMessage( string webhookUrl, string message) { string headers = "Content-Type: application/json\r\n" ; string jsonPayload =

How to Draw a circle ? ObjectCreat() not good since it always draw ELLIPSE, I want to draw a circle witha line linke two points. but in MT, it draw ELLIPSE since different X/Y scale(Y is price, X is time, they are never same scale, but I want draw circle wheneveraxes change). I want use one 2...

hello all getting crazy with a function not working. I have a report showing open PnL and closed positions. I'd like to show a column with maxDD registered and save it into a file for checking when reload the indicator. so when OpenPNL < last recorderd DDMAX, then "update DDMAX". the code below

Hello, plz help me,How I use Heiken ashi indicator for android mobile I m using android 2.3 gingerbred os mobile and for trading MT4 App....

Heloo I Can't publish my product ex4 , (Strategy tester report not found) even when try upload previous product (that already pass in past) please fix it

hello mql community, i'm lucky to be a part of this community. mql is the first programming language that makes sense. :-) but i've a problem: it seems so that the sleep function doesn't work in backtest. is that right? is there a solution for that? best regards, derox

Hi, After updating to Windows 11 24H2, mt4 terminals shut down on their own, whether idling or running task such as back-testing. Has anyone experienced the same issue? Kindly raise a flag if so. Thank you

Windows Server 2019 Windows Server 2016 What is better ws 2016 or ws 2019 for run mt4? Thank you

Is it possible to calculate the maximum drawdown reached in an account? How? How can the development of equity be built

Hi, MT4 build 1421 compiler build 2408 the expression: if (state != EMPTY) { Print ( "false != EMPTY" ); } triggers this message in the compiler: expression is always true But it is not valid. In the MT4 Tester everything works as it should. For example I have something like: void func( bool

Hi everyone, I'm starting to learn more about GUI panels using the appdialog box to add a panel to an indicator I'm writing. I have a basic understanding of how to create a panel and various buttons and labels. I just had one question about saving the location of the panel. If I move the panel on

Goodmorning all.  I'm trying to create a "dynamic" range using ArrayMax/Min - aseach new bar comes in (and assuming some other criteria are met) the range extends in length - to achieve this I have elected to create a variable, the value of which changes upon each new candle (and some other...

Hello guys. Is it possible to change the values ​​of an array after it is defined at the beginning of the program? for example I have declared an array with default values ​​as follows: string NewsSymbol[ 7 ] = { "USDJPY" , "EURUSD" , "USDCHF" , "NZDUSD" , "AUDUSD" , "USDCAD" , "USDJPY" }; I tried

Hello. Please I would appreciate any help I can get. I am trying to tile windows vertically in mql4 using only code. I know this is achievable with user32.dll but it’s been a struggle even finding a basic article that can teach a beginner how to work with dlls in MQL. I have a code that can tile

Hi, I have added a scroll (CScrollV, Controls\Scrolls.mqh) control to the basic active control panel example in the mql4 includes library. I have been playing around with active panels for several weeks now and have even programmed a very detailed panel, but I cannot get the scroll control to work

When I read the log file I could recognize that  the Custom Indicator is loaded and then removed.  Again he is loaded and removed. Then he is loaded. Enclosed you see a screen shot. What does that mean ? 

Dear everyone, I am running a MT4 EA on a VPS. The EA will modify the SL/TP constantly. Suppose if I want to change to use another VPS, when I re-open the MT4, the EA will no longer be running. If I re-attach the EA on the chart, will it keep modify my previous opened order in the last VPS? If no

Hello, The indicator picture below, is a simple indicator that places a dot above each candle high ( green dot ) and low ( red dot ). The indicator is working with real time data only, meaning as the indicator is forming, the high and low of that candle is used in placing an dot arrow above and

Hi, is there any way to scroll the chart via MQL4 ? I'd like to scroll it to data, when the price touches my Support and Resistance Lines, so I don't have to do it by hand. Thanks

Hello, I would like to ask if has anyone encounter this problem and been able to fix this? I am trying to read signals from a custom indicator , however, it caused out of memory, I believe that there are bugs in my code but I still do not know how to fix this. The custom indicator I am using here is

Hi all, I would like to be able to automatically tile all chart windows in the MT4 terminal. The keyboard command is <ALT> + R, and this can be automated using keyboard events e.g. https://www.forex-tsd.com/metatrader-programming/3805-key-event-within-mq4-programs.html. However, this solution...

I am having an exorbitant amount of trouble incorporating my custom Indicator into an EA. The Indicator calculates 3 values and no matter how I try to get the EA to retrieve the indicator values at the conclusion of a bar, the EA always gets data that differs from the indicators calculations . Can