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How to choose or apply ? Thank you
They say the best way to learn is by making mistakes - so I must be learning a lot right now.   I know the coding may not be neat but it is a start for me.  I am trying to learn two things.     1) How to only place one order per bar. 2) How to close an order after a set number of bars have passed....
Hello, I am a php programmer and new to mql4. I am making an ea that uses alert of an indicator to open trade. Check below code of indicator that prompts alert.... PlaySound("alert.wav"); if (gi_112 == 1) MessageBox("Entry point: buy at " + l_price_20 + "!!", "Entry Point", 0);       else if (gi_112...
Hi i try test a EA in 1 1 2014 to 7 1 2014 and ea work like a charm without any loos trade. BUT when i try test from 1 1 2013 to 12 1 2013 result fully difference and result very bad Something that has surprised me is big difference in result test in that two period  What I would like to ask why in...
Can anybody suggest why the following function would randomly delete TakeProfit levels when modifying the TrailingStop. TakeProfit, TrailingStop and TrailingStep are all controlled by this function. This function also controls these levels for two different strategies running within the EA. Both...
I'd be very grateful for a little help.  I'm trying to extract the hours:minutes close time of the previous bar. Looking at the help here https://docs.mql4.com/convert/timetostring, I think I need something like this:  HrsMinsTime TimeToString(       datetime LastMarketCloseTime,       int...
Hi all, Just starting out here and wondered if anyone can help. Complete newbie question: Do I have to already have opened a brokerage account in order to use the MT4 charts?  I can't just download the software package and use the charts for my own practice?   Many thanks! 
after three letters typing a function name it drops the menu down and if you hit enter it pops the word into line, but not the parenthesis. Is there a way to get the ( ) to auto-fill along with the function name when you do this? I think over time it would be worth it, or am I being lazy?
Hello Forum, usually I use the following code to avoid the execution of my EA on every tick because I calculate with closed bars: void OnTick() { static datetime Time0;   if (Time0 == Time[0]) return;   Time0 = Time[0]; But now I want the EA to be executed once an hour. Is this code correct? void...
Dear,  I'm currently backtesting my grid ea, it open multiple pending order set to expire within 3 hour. Unfortunately it makes so many little line that make my chart too noisy and hard to read. Any thought how to delete it without deleting the line that created by market order would be very much...
Just that question.  Am adding 4/5 digit broker detection to an ea I wrote on a 5 digit broker.  On the 5 digit broker I might send an order with a take profit or a stop loss of say 125 points which would be translated to 12.5 points for the 4 digit broker.  So adding that to the four digit price...
//+------------------------------------------------------------------+//|                                        Modify SL_Profit Lock.mq4 |//|                                        MetaQuotes Software Corp. |//|                                        http://www.metaquotes.net...
Will MT4 Platform be able to run on the Winows 8 Pro Tablet
Good Morning, I'm testing an indicator with an EA (using iCustom). There's only one buffer. Basically the indicator will cross back and forth across a zero value. If the indicator is positive, I'll buy. If it's negative, I'll sell. My trouble is that when I run the EA and indicator in visual mode...
  HELP WITH CODE (15   1 2)
Hello everybody, It took time to me to learn good old mql4, then stayed some time away from it, and now that i come back i find it all changed. Far from discouraging, I am trying to use this changes to learn a little bit more than what i used to know.. Thus, i before only programmed few indicators...
I'm using QuickChannel from FX Blue (formerly mt4i.com) to share messages betweenexperts in two different brokers.  Itworks fine; all messages sent from robot 1 are received by robot2 and viceversa. As you can see below, logic is implemented onOnTick() function. My purpose is to read new quotes on...
Is anyone aware of the codes for the Symbols. ie some of the timeframe codes are   PERIOD_H4       33136 PERIOD_M1       33137 PERIOD_M5       33138
New interview Johnpaul77 Signal Providers: "Our Strategy Remains Profitable for More Than Three Years Now. So Why Would We Change It?" has been published: Let us reveal a little secret: MQL5.com website visitors spend most of their time on Johnpaul77 signal's page. It is a leader of our rating...
Dear all,   I really hope someone can help me with that problem, I’vebeen trying to find a solution for this in the internet but I’m sure I’m notgetting something. Thank you for any help! I am trying to build a DLL to which I can send rates fromMetaTrader, then modify this array and return the...
Elie Azar
Hi If anyone knows how to use the current mt4 platform with all the charts and indicators to trade an mt4 account from another broker let me kow please. The only way I know is to try and use a trade copier of some sort.    Thanks 
Please review this screenshoot and consider this as bug report.   tx 
int start(){        double EnterTrade0,EnterTrade1,Confirm0,Confirm1,ConfirmTrend0,ConfirmTrend1;            EnterTrade0       =iCustom(NULL,0,"IdicatorA",ID1MA,a ,b,c,0,0);       EnterTrade1       =iCustom(NULL,0,"IdicatorA",ID1MA,a ,b,c,0,1);       Confirm0          = iCustom(NULL,PERIOD_M5...
Hi forum,   Hoping someone will be kind enough to help me work out why this variable won't hold it's value.  I've tried as a normal boolean value, and as static (as read from another thread on here.)    Also read about latching the value.  This might be what I'm after, but I need some help.   If...
Hi what is deference between start() function and tick function in mql4?
https://docs.mql4.com/runtime/resources I was wondering if it was possible to compile other file types as resources within ex4 file.  like png, zip, dll, etc.  So everything can be packaged in one ex4 file :)
Hi guys I have problem to open order with my  expert to open order, what I am trying to do is to check if in the last 20 candle price was under the Resistance Level 1 (calculate by Pivot Points RL1). After checking the candles I want to see the last candle high was above the RL1 and then close Below...
 hi~ how come it shows me signal on every bar?? I want it to show me signal when current bar is higher than previous bar   where is the problem?    thanks    for(int i=0;i<500;i++) { if (Close[0]>Close[1]) { Label4Buffer[i]=High[i]+100*Point; // 指標出現 }          }
Hello, I´ve been studying code for a few weeks and I plan to continue learning until i can say that i´ve mastered it :)... for now i´m a complete rookie and just trying to add simple functions to indicators that I like. So, what brings me here is something that has been driving me nuts and my only...
hi, played with some new indicators and script. wasnt really what i looked for . so i delete all. but what happened is the it screwed up the mt4 fib indicator. if you go to propertyies of the fibo indicator default numbers are: 0 = 0.0 0.236 = 23.6 --etc 1.618 = 161.8 2.618 = 261.8 4.236 = 423.6 so...
Hi guys, add extern variable from files  *.mqh to main code is ok. But I cann´t add extern variable from library files *.ex4 ... :-( Is possible it? Thank you for help me!