MQL4 and MetaTrader 4 - page 1244

stupid question, how do I do the following in MQL4? #define f(x) x^2 if I can't do this, can I create a function pointer? It seems that function calls are very expensive with the MQL4 compiler

Can anyone tell me how to disable an alert once it is sent, in the code!!. Eg i have ea sending alert when previous trade hits tp level. However the alert will heep sending more than once. How could i sort this problem. Bit of code would be nice.. thanks

Does anyone here live in the Bay Area? I'm interested in forming a trading group, to discuss live trades, strategies, weaknesses, improvements, EA development and general trading info. If you are interested PM me, or send me an email to korostelev.andre @ gmail.com

hi guys. Im not a pro when it comes to programming or trading, however... I want to use MQL4 to trade any commodity - from milk to crude oil - using Larry Williams indicators (WillCo, ProGo and others). I downloaded and installed MQL4, but i cant understand how to manage to get access to...

because it is empty each new day in my EA Thank you very much for help

Hi, I am looking for a programm that my trades mulitiplikation . I often do pending orders. thank you steve

I oughtta know this . . . but what time zone is used in the account history? GMT

Is a call to an array considered an operation ? for instance if the arrray element is less than 1 continue should be written like this ? for (int i=0; i<7; i++) { if (My_Array[i,3]<1) continue; //do more stuff; } or should it be considered the call to the array is a separate operation so should...

Posting code snippets in this forum is almost impossible. Everytime I try to post code or answer a posting with code in the quotation it is pure luck when the formatting doesn't get messed up completely. formatted text 3 spaces now try to quote this without messing up the indentation. Could the...

i have forex broker but suddenly i can't contact to broker no phone answer,no e-mail answer even no withraw fund from my account i think this fraud, what do i have to do...please someone help me!!

I'm hoping someone knows of code thats already out there.... I have a custom indicator who's values range from -10 to 10, but the change may take a year... I would like to create an oscillator that shows a value from -1 to 1 every 90 days. ie: if data for last 90 days high is 5 and low is -6,...

Has anybody gotten an Expert Advisor based on fractal . Please help me

Hi, sorry to bother you again guys with my questions. I've been building experts based on the below structure. It worked for one strategy, and so, I was trying to use the same framework to another expert. I always build an indicator to show -1 for the buy trigger and +1 for the sell trigger. Thus,...

extern double TakeProfit = 100; extern double Lots = 0.2; extern double TrailingStop = 50; extern double MATrendPeriod=50; //+------------------------------------------------------------------+ //| |...

Hi, I heard that it is possible to make 5 sec bars in mt4 from tick online data. Has anybody made this indicator that can make that? Thx

Is there a way of running strategy tester on mt4 and then clicking on 'open chart' and running it on visual mode? "Yes you can" I am hearing from everyone. But what about having two same currency charts with different time frames running on visual mode? is there a way for me to do this. I have tried...

This one allows you to give your user a choice on what hours to trade. Now it will be different based on the users broker server time , but I am sure you can work something out. // Externs: extern bool Hour0 = true ; extern bool Hour1 = true ; extern bool Hour2 = true ;

New article Growing Neural Gas: Implementation in MQL5 is published at mql5.com: The article shows an example of how to develop an MQL5-program implementing the adaptive algorithm of clustering called Growing neural gas (GNG). The article is intended for the users who have studied the language...

I know I have asked this before, but I could not find it in my past threads. I also did a search for something like it and could not find a reference. I know that I need to basically do a command where I do something like the following:       int CntClosed = 0;      for(int i = 0; i <=...

Hello, Someone say me the reason for this error, Please?

Hi Guys, (and Girls if there are any) I have been looking for a few days now and can not find what I am looking for, maybe someone knows help. I am looking for an EA with the following stradegy, 1. open order on MA cross (easy to find) slow MA: 10 Days (ea. 1D Chart; Period 10) fast MA:...

hi community, imagine following scenario. EURUSD 1H. I close mt4 on WED and open next MONDAY. I have an EA applied to chart. Now i realised a problem on mt4: if i open mt4 on MONDAY first time; mt4 first apply ea to chart and fills the gap between WED->MONDAY afterwards while ticks are coming. So...

I am trying to draw a bar between two points in a separate window, unlike a histogram that draws a bar from a common point like zero or 100, below is a pic of the indicator, right now i have two lines and i would like a bar to be drawn between each value. any Ideas?

Anyone have the code of an indicator to draw the trend lines on a graph?

I want to use scripts for placing and closing orders. For example 1 click 5 dig Buy 11pips. On my demoaccount this is no problem at all. But on my live account it doesn't work. I get the message ( on the journal) : loaded successfully / inputs risk=15 / uninit reason 0 / removed I have asked Alpari

Hello to allWell once again I must turn to you gurus out there. I posted a problem earlier. The original code worked. Not just compiled. I attempted to add an additional stop. I can get the code to compile, but the second stop is not acknowledged. I will post the code once agaian. The SRC is not...

Is it possible to create an EA - which, after 90 losing trades, will turn the account into a profit? Or - how can I turn 90 losses into a profit

Hi, I'm trying to handle 130 code error. I saw about MarketInfo(Symbol(),MODE_STOPLEVEL); but it's returning 0 for me. I'm facing this problem just on MIG Bank Platform. How it's working? How can I handle this situation?

Hello everybody! I like to see only the MACD MAIN not the SIGNAL to change color automatically to green when greater than previous and red when less than previous interval. Thanks all your help in advance Zsolt

Hi, I try to trade gaps, but the gaps don't always appear. I would like an EA that would send me an email if there is a gap (need to be specified gap size) between the close of the previous bar and the open of the current bar. Does anyone know if there is an existing EA to perform the above? or can...