MQL4 and MetaTrader 4

If you have questions about MQL4, MT4, MetaTrader 4, please post in this thread. Especially when your questions are related to trading functions
In this thread I want to begin to help those who really want to understand and learn programming in the new MQL4 and want to easily switch to MQL5 - the languages are very similar. This blog will be a good place to discuss tasks, algorithms of their solution and any other questions concerning MT
The MetaTrader 4 platform update will be released on Friday, March 24, 2023. This version provides error fixes and platform stability improvements. The update will be available through the Live Update system
The MetaTrader 4 platform update will be released on Friday, January 13, 2023. It contains many fixes and improvements accumulated since the previous release a year ago. The update will be available through the Live Update system
This topic will discuss undocumented ways of working with the mql4 language , examples of solving certain problems. It would be desirable that this branch would be closer in content to the FAQ, than to the discussion. I suggest that all experienced programmers share their solutions and programming
Why Money Management? Best system will fail in long-term if it is without proper money management. On the contrary, bad system can turn profitable if used with a good money management. Currency trading always go through the cyclical ups and downs, where winning and losing are just part of the game....
  Usefull links/threads/tools  (56   1 2 3 4 5 6)
The thread about threads: what's going around the forum everywhere ============ MT5, mql5, suggestions for improvement thread ============ Requests & Ideas The beginning Requests & Ideas, the beginning - the thread Suggestions for Trading System thread After Requests & Ideas (MQL5
Hi, I want to know today's closed total profit.(whole account) Here is the code. However, when I open a new account and run the EA, it shows as same as account balance like below picture. This is because there is no closed profit today? Do I need to add some code ? double ProfitDey( int type) {
Is it normal? Or is it a bug? const int GLOBAL = 1 ; class CTest { private : static const int MEMBER; public : static void method(); }; const int CTest::MEMBER = 1 ; void CTest::method( void ) { int arrOk[ 3 ] = { 1 + 2 , 1 + 3 , 1 + 4 }; // OK int arrNotOk1[ 3 ] =
Hi; I am using this formula to calculate percentage: Profits= NormalizeDouble ((OrderProfit()/orderProf)* 100 , 2 ); (orderProf is preset to $200). It works fine, except it doesn't display properly: Any suggestions? Thanks a bunch
he charge me twice and didnt even give me the program!
Hello Guys, i am little confused in finding the total no. of opened positions. I am only seeing OrderTotal, which is total no of opened and pending positions. It's occurring in Mql4. In Mql5 we simply get opened positions by PositionsTotal(); and pending positions by OrdersTotal(); . If any one have
HI all, I'm trying to load the attached file. When I select it from Browse in History Center the window remains empty. Where is the problem? Thank you
i wana open trade for exemple at 11:00:00 and 12:00:00 and 13:00:00 can some slove my expert plz #property version "1.00" #property strict #include <stdlib.mqh> #define MAGIC 94949449 enum TRADE_TYPE { BUY, SELL }; //--- input parameters input string TimeToOpen1= "11:15:00" ; input string
I need to receive a notification on my phone that the alerts pop up window has appeared on my laptop screen. I don't need to know what the alert is, I just need to know when it appears. What steps do I need to perform to accomplish this
//+------------------------------------------------------------------+ //| news.mq4 | //| Copyright © 2016 Tor | //| |
Which indicator of mladen do you mostly use?
Hi everybody, I have an indicator that draw arrow up and arrow down as object on chart, I want to program an EA that trades by these arrows, I have two questions: 1-How can I find when these objects drawn?(how can I detect these objects?) 2-How can I find out difference between arrow up and arrow
this indicator is not auto refreshing alongwith the chart progress, thanks in advance //+------------------------------------------------------------------+ //| MAB_TD_Sequential | //| v1.2 |
Define the resistance and support zones: Determine the price levels that define the upper and lower boundaries of your resistance and support zones. Track price movements: Monitor the price action using the OnTick() function in MQL4. You can use the iHigh() and iLow() functions to retrieve the high
I'm looking for an EA I used a long time ago and somehow have never come across it again maybe it's not even on the EA store anymore. I was wondering if there is a way to access all the EA's I've downloaded in the past to see the names of them so I could search through them for it
Hi all .. I wanna ask ,, How can I Possibly to make "lotlist[]" in input paramater ?... example : extern double lotlist[] = { 0.1 , 0.2 , 0.3 , 0.4 }; but I can't because 'lotlist' objects and arrays are not allowed as inputs thank you: void BuyOrderVarying2() { int orderid = 1 ; double
Hello my friends. I'm having an issue trying to figure out how to make my management EA just stop the other EA's in the platform from sending new trades after the target is reached. And wait for a set amount of time to allow trading again. The code i have now, pushes the automated trading button so
In the MLQ4 Reference, there is a pre-defined variable called Point with the followingdefinition: "The current symbol point value in the quote currency." Beingnew to this world of trading, I was wondering if someone could provide a betterexplanation of what Point is, maybe in laymen's terms. Thank...
Since a long time i am using (1a) for ( int i= OrdersTotal ()- 1 ; i >= 0 ; --i) // Suggested by most of the experts for looping through orders, but whenever i come to forum for some guidance i often find that people are using (1b) for ( int i= 1 ; i<= OrdersTotal (); i++) // from the documentation
I have an EA that places a button on the chart to accept an alert and enter a trade. I'm trying to write a new EA or indicator that will auto click that button from the other EA. The button name is known by looking at the objects list. I've tried a number of things with PostMessage and extensively
Hello community, I have a problem: When i trailing stop, sometimes i get error 136 (ERR_OFF_QUOTES). Example: Case AAPLm (Apple stock). But In most cases it works fine. Is there any error in my code or is this just my forex broker error? I am using exness broker, demo
Hello guys i developed an EA based on support and resistance using a support and resistance indicator that draws lines on the chart. The condition for a buy is once price touches the support line at the close of the candle it buys and if price touches the resistance line after the close of the
Hello, I wonder if i can use OrderMagicNumber() instead of OrderTicket() for closing the current position? OrderClose(OrderTicket(),OrderLots(),OrderClosePrice(),Slippage,Red); return ( 0 );
How can I show in MT4 the total LOT of all open sell orders (but not the pending orders)? Below script works perfectly to see the amount of sell/buy orders. But now I'd like to modify so I only see the total sell LOT size. Could you please help me? EA code: (this works for counting amount of...