MQL4 and MetaTrader 4 - page 47

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I understand little bit why define the MAFIC_NUMBER as an integer, not a string? I think define it as a string is much better than as an integer since you can transform an integer to a string but nit vise verse, right? Besides a string can tell much more than an integer. Right?
Hi, finally I managed to use NotePad++ (google) to edit and compile mt4-files with some surprises :) 1) I created one folder for both mt4-compiler: 32 and 64 bit. (you'll find the HowTo in: Editor=>F1=>Search:"Compiling") 2) In that folder I created as well two folders MQL4 and MQL5! 3) In the MQL4...
Hi there, I have multiple accounts running different EAs. I login into one account  under MT4, and drag the EA onto the charts and its running. That's fine. Then I want to switch to another account to test another EA but the charts with the EA from the first account are still there. How can I...
Could someone please help point out why this EA I have been working on will not place trades live. It seems to place them in the strategy tester fine.
Hi, I am trying to convert a my custom indicator, perfectly working, into an EA. I have set the iCustom function as follows: double vwp_up=iCustom(_Symbol,0,"VWP - Price",1,0);double vwp_down=iCustom(_Symbol,0,"VWP - Price",0,0); Commenting the those variables, to see their value, I get only...
Hi all, It's been a long time, suddenly I find everything automatically turned into MQL5? The following code is a three MA indicator I've been using for a long time.(In MT5 first bar is 0? but this indicator still runs fine. MQL5 running in MT4 is really confusing.) Today I'm trying to add a MA...
Hey everyone, maybe simple question for you. I have a message box in an EA and in case by clicking the OK button I want to open the expert propierties. I still know how to code the message box, but I don't know what to call after the click? Example: if(mycheckbox==IDOK) doing what?? Thanks a lot...
  VPS vs Phone (1)
Hi guys, I have a forex vps server running an EA. Whenever I check my MT4 trading account on my phone I am getting the notification that another sign in has occurred. That’s fine but my question is does the EA on my VPS keeps running when signing in from another location/device ? Cheers DrTom 
Is there any way to export trade history data in a read only format like PDF? They are usually a compliance must if you are an employee of an investment bank...
Hi there,   I am using the C2MT4Connector EA. When I attached the EA, I can see that the _CorDllMain is not loaded properly. See picture below. I have reinstalled the .NET; however, I am still having the same issue.       
  TSD RedBack (6)
TSD RedBack
void OnTick()  {             double SlowMovingAverage = iMA(NULL,0,90,0,MODE_SMA,PRICE_CLOSE,0);            double LastSlowMovingAverage = iMA(NULL,0,90,0,MODE_SMA,PRICE_CLOSE,1);            double FastMovingAverage = iMA(NULL,0,15,0,MODE_SMA,PRICE_CLOSE,0);            double LastFastMovingAverage =...
Hello, I am looking for the source code of the indicator of "Dow Theory". I'm only interested in drawing a line between the highest and lowest prices. Not all of Dow theory. Thank you,
Hi, In my EA I use the trailing stop as follow: ...extern double SL_prozent = 1.0;double dStopLoss, dUpdatedPrice;...void OnTick(){   // some businessLogic here   if(OrdersTotal() > 0){      updateTrailingStop();   }   ... bEntryLong = ... bEntryShort = ...   int iTotal=OrdersTotal();       //...
Hello my code is not decompiling correctly for mt4 build 1090 now after I try to run some back test Please help me clean up my code thank you. My code is included in attachments and I will paste it below: #include <WinUser32.mqh> #include <stderror.mqh> #include <stdlib.mqh>   extern int...
Hello guys, I hate asking for help like this but I've tried to figure it out myself but the only coding background I have is Fortran 77. I am looking to add an email function to this indicator that will zip out an email if a color change is happening from red to white or white to red. The code is...
Hi.. I'm trying to write an EA that checks for a condition at the start of each bar. I was able to find solution to it in this webpage. http://mql4tradingautomation.com/execute-action-once-per-bar-mql4/ After running the code on a sample EA, I found that the code actually works.  In the beginning,...
Hi I am trying to write a code which will give me a sum total of back to back losses including commissions. I am able to retrieve the last loss and commissions but have no clue as to how to retrieve the sum total of losses when it happens in a row. Here's what I am talking about. This is the list...
Hi I have this code and i select order #12345, OrderSelect function always return true even when order closed with takeprofit Why? Print(OrderSelect(12345,SELECT_BY_TICKET, MODE_TRADES));
Hi BarrowBoy, How are you? Need your help again!..Can you write this EA for me... Thanks in advance. My question is : 1) How to open order for 2 currency pair like E/G and U/J at same time(hedge) in only using E/G H1 chart? example: E/G=buy, U/J=sell using the WPR as below:...
Hello everyone, I am writing the expert, which is used ChartTimePriceToXY. When I tested it, this function work incorrect. Every time it returns 2147483647. I realise that it is 2^31 - 1, which is mean EMPTY_VALUE in this system, but I absolutely dont know why it happens.  Part of my code: double...
Does anyone have a metatrader 4 terminal build newer than b1090?  (like b11xx) Is there a summary of fixes? How do you get to download any betas that might be available?
when i put my indicator in the market it gave me this error  EX4 file must be compiled using <a target="_blank" href="http://docs.mql4.com/en/basis/preprosessor/compilation">#property strict</a> directive. what can i do to fix this error  thanks in advanced  
  Closing Trade (1)
I took trades on my MT4 while at work, my partner opened the same account and tried to close them but there is no option to close or modify, how can I fix this?
Hello Guys, this is the list of Fractals free indicator:  //+------------------------------------------------------------------+//|                                                     Fractals.mq4 |//|                      Copyright © 2005, MetaQuotes Software Corp....
Hi, I'm trying to modify my Heiken Ashi indicator width to ' 2 ' but it looks like every time I change timeframe the width comes back to ' 3 ' I've tried to change it I the Mq4 file but still no changes. looks like it doesn't wants to save the width modification I've made..  here's the Mq4 file  :...
 Is there a way to attach or remove a particular EA mt4 script to mobile app like iPhone or Android and do the trading by enabling the EA script? If there is an option for this, kindly please let me know the steps to do this. Thanks alot!
Copying same folder is very exhaustive. I want duplicate my running terminal or duplicate strategy tester in same mt4 folder. Can I do that?
Hi coders, this indicator prints a text object as soon as a trendline is drawn. I found the calculation for the angle in the MQL5 forum but it doesn't work correctly. The angle in degrees is always wrong. Just the directon (above or below zero) works. Does anyone have made some experiences with that...
I have an idicator ex4 format. It only has popup alert. Is there any way to convert popup alert to push notifications. The indicator about renko. or do you have any indicator like this