MQL4 and MetaTrader 4 - page 150

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Please, what function opens the scripts to EA?      
Hello. You know kindly tell me, how can I create, the "v_line", to use as a separator period (say monthly), so I remove the default ones of mt4. thanks  
Hi, I'm attempting to implement a parabolic SAR based strategy using a source created using EA Builder. When I compile the code, the error shows:  '{' - function definition unexpected The error relates to the item highlighted below:    {Strategy: Parabolic change - 1 day   Created with EABuilder...
Hello Friends, i'm a beginner for mql coding, i tried too much but i could'nt write an EA correctly that i thought, maybe somebody help me about this, steps are as following; 1- EA will open 1 BUYSTOP and 1 SELLSTOP using highest and lowest of last 3 bars, OP_BUYSTOP at Highest[last 3 bars]+5 pips...
Hi guys, i can't make updating my pending orders on every price changing, moving following price until 3 sec before news relaese (yeah another news trading ea). I wrote an ordermodify but seems to work just once. i saw many ea on youtube that create moving pending order until news relaese, but i...
I would like both EAs to have the ability to trade ALL cross-connected instruments regardless of prefix or postfix or whatever chart the EA is operating on, this will save me having multiple charts open with multiple EAs running on both MT4 terminals and reduce CPU/RAM lag. Hope you guys can help.
peterhw
  2 - Common Error (11   1 2)
I have code which has worked for a while and for some reason I am now getting the above error the code is   RefreshRates();         string st_50020=MyDT+"50020 OBS ASK  = "+DoubleToString(MarketInfo(My_OrderSymbol,MODE_ASK),5)+       " BID  = "+DoubleToString(MarketInfo(My_OrderSymbol,MODE_BID),5)+"...
Hello,    Can an EA know my MT4 account password by accessing the .DLL file? I mean when I allow to import the .DLL file included with the expert advisor.    Thanks, 
If you use an Expert does it automatically liquidate you position if you end it? Or do you keep the last position until you close them manually? EX: If the Expert Buy 1 lot of USDJPY and you want to end the Expert does it automatically sell any open positions it created?
Goodmorning everyone. I'd be trying to finish my indicator, but I can not understand, what are the functions, in order to create the labels, similar to those that are generated automatically when you open a trade (those on the left of the graph, which are anchored. If moves forward, backward graph,...
I have a problem... I declared an array outside any function, so, the scope of this array is global. Execute the EA and I save and load data from this array on a pair, for example EURUSD without problems but, the problem is when I execute the same Expert Advisor on 2 or more pairs, the data is...
int Check_OrderIgnore() {    //If the previous order was a stop loss and  was buy order    //Set the buyIgnore flag to true    // Else if previous order was a sell and was a stoploss    //Set the sellIgnore flag to tue    //----------------------------------------------------------      if...
Dear, I want to create a function to return pips value base on my volume and profit in currency. I already create a function but not working. int PointFromAmount(double LotSize2, double RecoveryLoss) {     double UnitCost = MarketInfo(Symbol(), MODE_TICKVALUE);     double TickSize =...
My broker has changed someof its margin requirements but when I print the results I am stillgetting the old requirements. When I place a trade withone of these currencies the new margin requirements are used. Yes I have tried to get ananswer from the broker but they either say it is a Metaquotes bug...
I wrote this code with two function. As soon as I have an cross of moving averages between two candles, step to the next step where I have a for loop, which identifies a Heiken candles pattern. the signal is correct, but if I have an cross of moving averages between two candles, without the pattern...
How to conditionally save information using Array? Hi everyone, I am currently experimenting conditional Arrays and came across a problem which I need some help solving it.  How do I store data(information) every time a condition has been met?   Any help will be much appreciated.  Thanks in advance...
Hi everybody, I come to you because I need a clarification. So I programmed an Expert advisor, he uses the ATR as SL. What I would like to be able to do is tell my expert advisor not to take into account the SL of the ATR if it is more than 200 pips for example. If the ATR wants to place an SL at...
Hey,    Just new to this forum and would need some help with 2 things   I'm using a iMA function to get the MA value but don't really understand one part of it which is pretty essential.  1) The lastBarShift, as I understood it, this excludes the candle being formed right now and instead looks at...
Hello! I wrote a EA with dll ( c++ )  I used unordered_map collection in dll and it works fine when i used windows console app but when i used dll in MT4 with EA then MT4 crash :-/ I would like to use hashmap collection in mql4. I tried hash.mqh but it did not work well therefore i used...
if (Minute()==0) { } vs. if (TimeMinute(TimeCurrent())==0) { }  
Hi - as per my other posts I'm sure this has already been talked about, but I can't find it :) Is it possible to set up an indicator so that it shows you a higher time frame but to the scale of a short time frame? That might not make much sense - so here's are some pics to show what I mean. The...
Hi coders, I always receive an error #130 when I place two pending CFD orders. Placing two forex orders is no problem. But when I want to trade oil, gold, dax, s&p (anything where MODE_PROFITCALCMODE = 1) only one order is sent and for the second order I receive error #130. But WHY?? I don't change...
After installing new mt4 it does not display my uploaded profiles. Please help me out guys. I spent whole weekend to abslyse my charts.  Thanks a lot for any advise.
  MT4 (3)
recently I can install MT4 anymore from http://www.metaquotes.net/ even I already dwnld metatrader 4 but the result always get the metatrader 5 How I can fix this problem? Thanks 
I am new to MQL I am trying to calculate average low for a given timeframe, I know how to do it in TradeScript but not sure about MQL. TradeScript: (Ref(Low,14)) - would give the 14 day average low
Hello, I would like to build an EA that enter a sell position when the RSI is over 80 and then the MACD Instagram crosses below O. I have trouble to do 2 things ( I am not an expert at all!):   1) I don't know how to write a series of event (i.e. first wait for the RSI to be over 80 and then wait...
Need help with chart indicator delete function. https://docs.mql4.com/chart_operations/chartindicatordelete Edit. Problem solved thanks to Alain Verleyen. Misred the documentation.   
I just wanna confirm what is the default time zone in mt4 platform.What if I want to change it,can it be set according to my location
Good Day Everyone, I have a question regarding the use of an EA that has become unavailable. I have it installed and running on one MT4 platform but I would like to have it run on an additional platform as well. The source is not available for the download as I used for the original installation but...
  Oanda ForexT (7)
I have an indicator I've written and it does the job on most of my forex pairs. I have an Oanda account and in the symbols list there is a tab "ForexT". Any pair in this list that I try and add my indicator to it doesn't appear. If I add indicators written by others they work. Hopefully there is an...