MQL4 and MetaTrader 4 - page 701

Hello, I have script written for a trailing stoploss reversal program.  I would like to try the inverse of this program.  SELL when it says BUY and vise a versa.  I am getting an error code 130 with the following errors. Help would be greatly appreciated.

I want to check for valid entrys on previous 2 candles and current f.ex. -------- 3 | 1.86 -------- 2 | 1.87 -------- 1 | 1.88  = new candle -------- Buy if candle 3 < as candle 2 and new candle is higher as candle 2 1x blue 2x red = sell the new bar is calculated by new bar open price which should...

Hi, I am trying to create my first indicator. I copied an indicator from the MQL4 book (see below). This indicator compiles without any errors. However, when I remove the string "//" from this file, I get this error: (1,1)  : error 356: event handling function not found How is it possible for an...

Can users change the default lot size for one-click trading and/or the order popup window?  it always seems to be 1.00 in almost all cases.

 I got a runtime error: 2015.01.14 22:11:40.134    cannot load 'C:\Users\Monika\AppData\Roaming\MetaQuotes\Terminal\......\MQL4\Libraries\stdlib.ex4' what can i do? schiller

Hi, I'm trying to write a function in MQL4 which will calculate my total profit (could be negative, which would mean loss) at a given price. In other words, if I have an open Buy order at price P1 then: my profit at P2 would be ((P2-P1) * volume) - but that's in most simplistic terms, now I need to...

I would like to draw a Trend (cf: the red line in the screenshot) which starts on the current bar and ends on the next new bar. I am using this function: ObjectCreate( trendName, OBJ_TREND,window, timeStart, priceStart, timeStop, priceStop); I have probleme of getting the timeStop value. On Forex,...

Before the new script  starts to run, there are 13 closed orders already. All the 13 orders have absolutely different magic numbers from the one of the new script. However, in the script I wrongly initialize  histroyPOS=0. I found a bug after the new script opened an order and closed it soon in my...

Hello Guys, I heard while ago that mql4 offers programmers to make EA and Custom Indicators. When I search the site I haven't found anything. I'll provide the details of EA once I am on the appropriate path. Could you help find a programmer through MQL4 because I don't want to pay anyone while there...

Hi I have downloaded the attached indicator and it has been working for a while, but today when i was looking at the file inside MetaEditor and i compiled it (without changing anything) I got this errors?? and the EA stopped to work. This is the error part of the indicator. void...

The same EA, with different parameters, produces different curves. Two questions in this regard. 1. I can't decide which one is better. 2. Which balance curve is ideal in REAL EA

Hii people, im trying to code a system that ill can insert a BUY & SELL rules and the rest will be managed by the "system", i would love to get some help with this, so please just aboard if you interested :).    //IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII # 1:  -  We set...

I have been away from the market for about a year. I found this indicator and liked it. My system kept locking up and freezing and the problem was this indicator. I put in and ran a compile on it and it had 16 warnings. So I fixed the warnings. I changed the alerts to false for personal preference....

Hi all, I am pretty new to MQL4 and have a question about polymorphism in MQL4 which think will be most clear if I show some C# code of what I am trying to achieve: class B{ public void X() { }}class C<T>{ protected T t;}class D : C<B>{ public void Z() { t.X(); }} So, from...

    dears as shown in the picture, i have installed MetaTrader 4 on my new laptop. i realized that the side menu and the tabs are very small     any one can help ?   where can i adjust the settings to make it more visible ?   thanks   faisal 

Dear, Is there any documentation or Doc file details about Dialog.mqh. Because i didn't fine. Thanks. 

Could anyone explain why the log doesn't contain the opening of order #2 ?   (please see the pictures)   

Can I access the values of this default indicator like I can do for iMa? Or I should need to download the indicator that you have on the mql4 database and work with that? Thank you Greetings BeLikewater

I am trying to make my EA work to record an indicator (using stochastic for now) using the FileWrite() command.  The goal is for this to record the indicator values at every 10th minute and 30th second of every hour. This will be changed for future purposes. The file writes properly and saves as I...

Python has superb libraries for data handling, math and machine learning. Enabling direct integration with MT4 for algorithmic trading would be a big win, enabling the large number of existing Python programmers to just get to work

There are frequent questions in this forum (e.g. 'Difficulty using FileReadString on file opened outside /experts/files') about reading and writing files anywhere on the hard disk, but there only seems to be one published library for doing so, and it's fairly limited: 'File Operations without...

I want to know EA's sequence. If I set "AA.mq4" ea to same symbol 3 charts ex)1 EURUSDH1 AA 2 EURUSDH1 AA 3 EURUSDH1 AA (with different inputs) If a tick provided simultaneously, What EA runs first, second, third

Hi   I am trying to create a signal where the entry bar must appear after a certain number of higher highs or lower lows. eg like an outside bar / inside bar / pin bar. So affectively i want a check to make sure the bar is in a good "location" ie top or bottom of a swing for example.   I tried to...

hi I'm trying to make a simple ea but i have some problems i want to make an ea with rsi and stochastic ; when both indicatros cross 30 level i want a alram (the same when they cross level 70) i make this, and id dosen't work double SignalBuffer[]; double MainBuffer []; int

We are a company whose aim is to develop human immortality technology. We need a lot of money to realise this goal and so we have decided to bet on algotrading. This is the main focus of the company at the moment and therefore we need another full-time programmer . Requirements: * ability to write

Every broker has maximum limit on the lot size of a symbol. However, the live trade can't be  proceeded if the lot size is too big.   Which below will happen if the lot size is too big according to your real experience?  1. the live trade can be proceeded only if the lot size is less than the...

I tried backtesting from jan,02 2015 to jan,05 2015 using tick chart. ea place order on 2nd jan. but when i backtest from dec,31 2014 to jan,05 2015 ea does not place order on 2nd jan 2015. Note: Jan 31st Market closed at 20:00 and 02nd market started at 09:00, its server time. Please note the...

I have a piece of software that I would like to connect to MT4 to place orders. I was hoping to do this through the MT4 Client Terminal API that is mentioned on the metaquotes website. Does this exist as there is very little documentation that I can find, and mainly third party add on that claim to...

Hi, I thought that MathRand()  returns an Integer value within the range of 0 to 32767 based on MathSrand(). Can somebody please tell me why this script always prints the same number? void OnStart()  {   MathSrand(Bars);   int test = MathRand();   Comment(test);   }  How can I modify it that I...

Re: https://www.mql5.com/en/forum/136275/page3#532562 I got my php working as a Cron job. I created a simple EA to send the file via FTP and set the Cron job (I use cPanel based hosting) to run every 2 mins. The php . . . <?php$to = "your@email.com";$subject = "EA is silent";$body = "EA has...