MQL4 and MetaTrader 4 - page 6

Hello, I am getting these error from my EA : 2025.03 .24 19 : 23 : 23.626 Not enough memory for 6841107 bars for indicator Stochastic Oscillator (USDJPY,M1) 2025.03 .24 19 : 22 : 43.306 Not enough memory for 6864630 bars for indicator Relative Strength Index (EURUSD,M1) 2025.03 .24 19 : 17

Hi,i did some changes (more number of bars in tolos options, and downloaded more database from the history center) and when I try to do a test for an EA, it takes so long and the "bar" doesn't move, and those "error" (orange triangles appear in the journal), that I have to stop the test. What should...

Hey guys hoping everyone is okay. Can anyone please help me edit this beautiful indicator to have the boxes as background and also not filled. I will truly appreciate it. //+------------------------------------------------------------------+ //|

Hello everyone, I am new to MQL4 programming . I have copied an indicator about Stochatis Smooth - LSMA (using iMAonArray), and the chart displays the calculated information correctly. However, when I convert it to an EA, there are no errors during compilation, but the EA does not run. I hope you

Let's say I want to subscribe the signal I found on website. I clicked on "Copy" on website, it is supposed to open MT4. But what if I have multiple MT4? It doesn't ask which MT4 to open and just opens whichever he wanted which is really bad design. Okay, let's consider it's fine, because I have

My EA is working fine with MT4. What this error mean?. My EA is not stopping Strategy Tester and it not News-Based

Dear all, hope you are fine, I need to draw rectangle objets but only with borders, no background (check attached samples). Could you give me some code sample? Thank you

I would like to know how to evaluate the reliability of a backtest based on the modeling. For example, this one

void CloseAll() {double bid, ask, price;bool success; for(int n=0 ;n<=tot;n++){if(!OrderSelect(n,SELECT_BY_POS,MODE_TRADES)) continue; bid=MarketInfo(OrderSymbol(),MODE_BID);ask=MarketInfo(OrderSymbol(),MODE_ASK);price=(OrderType()==0)?bid:ask;

Hey all, I am writing an EA that uses the Dialog class to display a nice floating window for the user to interact with. Problem is whenever the time frame is changed the panel bugs out creating artifacts on the chart. When testing the basic dialog code(below) I get a failed to initialize message...

I want to draw color candles in MT4. but the bellow code doesn't do anything. The code doesn't return any error but not work as expected. Can someone tell me what the issue is? I tried with ChatGPT to find an answer, it doesn't give any correct answer for this

I was using MT4 on Mac OS Catalina for a year or longer. Yesterday decided to reinstall it. And soft just doesn't want to launch. It is successfully installed. When I launch it - nothing happens, process doesn't even show up in Activity monitor. Any ideas

Why did you post your MT 4 question in the MT 5 Trading Systems section instead of the MQL 4 section , (bottom of the Root page )? General rules and best pratices of the Forum. - General - MQL5 programming forum ? (20 17 ) Next time, post in the correct place. I have moved this thread. Hi

Hello everyone, For the past few days I've been looking for a reliant solution for this issue as many of the solutions I found online have many drawbacks. Market Open or Close - how can I find it? - Day Trading Strategies - MQL4 and MetaTrader 4 - MQL4 programming forum (mql5.com) First of all, I

#property copyright "Ch" int handle,i,Total; int Slip = 3 ; int BuyTicket; int SellTicket; double H1W4_0,H1W4_1,H1W20_0,H1W20_1; double iCH10,xMultiply,zH1W420_00,zH1W420_11; // Init function int init() { if ( Digits == 2 ) xMultiply = 10 ; if ( Digits == 3 ) xMultiply= 100 ; if ( Digits == 5 )

I have about four MT4s opened on a dedicated PC with Win 10 OS (no any other programs opened/running on the PC). For some inexplicable reason, the MT4s keep closing after a while without my intervention (I also do not have any EA that is coded to close the MT4 running on the MT4s), and I have to

how would I hide the depth of market and trade panel buttons

#property indicator_chart_window#property strictstring filename = "\\Images\\alpha.bmp";int start (){ObjectCreate( 0,filename, OBJ_BITMAP_LABEL, 0, 0, 0 );    ObjectSetString( 0, filename, OBJPROP_BMPFILE, filename );ObjectSetInteger(0,filename,OBJPROP_XDISTANCE,100);   ObjectSetInteger(0,filename...

When I modify my stop loss of an open order, I get this weird Error number 0 with the error description "no error". My result is a FALSE and I cannot understand why. Here is what I am trying to do: At + 50 pips, update the stop loss price to my trade's open price. I do not know why this would cause...

Hello everyone, I intend to copy my personal trades from MetaTrader 4 to my MetaTrader 5. To achieve this, I have written two codes: The first code is for MQL4 , which saves the necessary trade data in a TXT file whenever I make a trade. The second code is for MQL5 , which reads the file, analyzes

p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 14.0px '.AppleSystemUIFont'; color: #0e0e0e} p.p2 {margin: 0.0px 0.0px 0.0px 0.0px; font: 14.0px '.AppleSystemUIFont'; color: #0e0e0e; min-height: 17.2px} Hello everyone, I’m currently developing an Expert Advisor (EA) that is specifically optimized for

Article URL : https://www.mql5.com/en/articles/2555#invalid_lot I am getting Error 131 To resolve this, I am trying something like Volume Error Handling . It update value automatically. Buy_Lot_Size = MathMax ( SymbolInfoDouble (buy_random_symbol, SYMBOL_VOLUME_MIN ), MathMin (Buy_Lot_Size

hello everyone, in my MT4 latest terminal and even in old terminals i'm unable to find "signal" option to copy someone's signal and in MT5 signal option is visible but not clickable, even i click it from MQL4 website it does not open in both MT4 and MT5 what should i do now, do i need to top up MQL5

Dear coder, I am writing an indicator (checking signal from MACD + MACD of highger timflame) But I could not find the method only add one arrow on the first bar when the signal appear So the chart as image below. Could you please check and give me some advice to revise my code. Thank you so much

Hi, When I launch a second MT4 instance from the same broker, it overlaps the first MT4 instance on the taskbar. How can I prevent this

Can I get some help with my MT4 mobile app. It stopped working two days ago & every time I try to open the app it does nothing at all. I've cleared the data and the cache multiple times and uninstall and install it multiple times and it still doesn't work. I've reboot my phone nothing seems to work

Why the profit on attachment picture is not correct on back testing? Please help me. It must be 100*0.2lot*(1850.627-1841.673) = 179.08$ Thank you

This is indicator developed by Agostinho Jorge Oliveira Can someone guide me how to add up magic number function in this EA? I would like to have P/L display filtered by magic number. Regards

where can I download library file:  "Trade.mqh"  for mql4? can I use the mql5 version of that file for mql4? I have that in metatrader5 but no in metatrader4 libraries. Please help.

Hi to all, I'm glad to represent my development TickScalper EA according to ideas described here and here. Especially for this EA I've created some new tick indicators. This new EA has big number of different settings devided on 5 groups: - Main - Timing - Sets for tick or fast MAs - Sets for slow...