MQL4 and MetaTrader 4 - page 1240

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  PNN example (11   1 2)
Hi I am looking for a mql4 example of a Probability Neural Network. Ive red about it and seen the algorithms but I don't understand them because I am only a programmer. If I see a code example then I might understand it. Thanks in advance L.
Check in this blog www.forexmq4.blogspot.com the UploadingFileTest.mq4. It is fully commented in english and let you to upload a file to a remote web site via FTP. This could help you to check what is doing your expert advisors when you are far away from the PC were they are running. Best regards,...
Hi Does the function MarketInfo( Symbol(), MODE_SPREAD ) query the server or client terminal? When working with a very volatile spread (e.g. AUDNZD) I find I want to average the spread tick by tick, but does that mean I'm making server requests every tick? I'm happy to pester the client terminal,...
Hi, With a specific set up I am getting this graphic with my EA. I think that If I invert the signals I can get a rising curve. Am I wrong? Or this negative results are the spreads? I need to be sure because I will have to pay to do the modifications at my EA. I tested many TP and SL relations and...
Ok. I looked around and well...as you can tell by the amount of posts...Im new. Is there a link or something that can help me make sense of MQL4 and more importantly Meta Trader? Thank you.
Do I need to normalize the following calculated stop loss? double sl = 20 * Point; The documentation states that: The calculated StopLoss and TakeProfit values, as well as open price of pending orders must be normalized with a precision the value of which is stored in the pre-defined variable of...
I want to declare the following: double positiveInfinity = 1.7e308; double negitiveInfinity = -1.7e-308; double value = 1.1e-134; According to the documentation a double can ranges from -1.7 * e-308 to a positive 1.7 * e308 but when I try double value = 1.1e-134; // '1.1e' - invalid number...
Hi, I am new to MQL. I need to know if I can program to be alerted when the 1HR chart is along the Bollinger Band? Thanks, JForex.
I tried to write to some code that would find the most frequently occuring price over the last nMinutes, using OHLC as quotes.  I realize now however, that I am in way over my head.  Please help! int i;int PopLength = 100;double Pop;double PriceArray[PopLength][2];double Check; int start(){...
Does anyone have any experience with the EA F.R.E.D.. I am constantly getting the following message: Error Occured : invalid trade volume. I've experimented with the lot size anywhere from 0.01 to 0.1 to 5.0. Nothing seems to work.
  MarketInfo() - bug (12   1 2)
Hi, I think, I just found a bug. To re-produce just install and insert as Custom-indicator, end and re-start MT4 - you'll find the window empty. Now just set faulty to false and feel better. I used this for my indicator in a separate_window...
Somehow I lost the tool bar at the bottom of the page that said "TRADES, EMAIL, ALERTS ETC." I can heat the tone when I get a message but cant view them. Im sure its something simple but cant seem to find it. Can anyone help?
greetings ! anyone here had perceived that offline charts from created symbols can't be tested on strategy tester ? there is any workaround ?
Hi, I'm new to MT4 and understand how to add an indicator to the chart but I want to add a moving average to the volume when I have it displayed in it's own box below the chart. I have it showing as a simple histogram. According to the help file one can add an indicator to another but it does not...
Hello, I have created a custom indicator, but how do I reference this indicator in my EA?
I was arranging the Toolbox and the Navigator windows. I pulled the Navigator window way to the right and left my mouse. Now I am not able to bring the navigator window into the view. selected and deselected the navigator icon and I closed the editor and opened and still not able to. The navigator...
Hey everyone, I'm completely brand new to forex. As such, I have about a zillion questions so if there's a "pre-school" section of this forum, please point me to it and forgive the following basic questions. I'm a GUT trader. i.e. haven't a clue about charts and statistics. BUT, I've paper traded...
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'Go With The Flow 2'Strategy At any open candle, set 2 pendingorder: 1) ‘BUY STOP’ 10 pips aboveopen candle, TP 20 pips and SL 20 pips. 2) ‘SELL STOP’ 10 pips belowopen candle, TP 20 pips and SL 20 pips. *If one of the pendingorder triggered, you can close the other pending order or just go...
Hi All, I would like to ask someone to clarify me 3 basic things: when MT4 executes a command: OrderSend() - is it waiting to get a confirmation from the market that the order has been confirmed / refused / requoted / etc., or it's going immedialtely to next command ? how exactly should I deal with...
Wer Hilfe bei Programmierung eines EAs benötigt und dies in Deutsch. Findet diese unter http://www.meta-trader.de
  NEW MEMBER (1)
Please am a new member in the forum, please I need someone to explain to me how to go about learning about expert advisor. I realy want to learn how to use it and others that geos with it, I will appreciate the effort of the forum to help me through, peace to all of you.
Hello Guys, Im new to metatrader but would really like to dive into this MQL4 code as my backgrounds in IT but not development/coding. I was wondering if someone could help me with an example.... I'm trying to take the VALUE of ATR, and put that as the period in RSI... I know this doesn't make a...
Hi, I am slowly teaching myself how to code EAs. I have an EA that I am currently working on that has good potential but I do not know how to code my target price. I want the EA to take partial profits at fib expansion levels of the previous day when using any timeframe shorter than 1 hour and fib...
New article To Sleep, or Not to Sleep? is published: An alternative use of the Sleep() function in the realization of pausesbetween EA's actions is proposed. The approach under considerationallows a smart use of machine time. Author: Sergey Gridnev
I got an EA from a friend. Last week, I could run the tester, and there was result. But today, it yields no result anymore. What can be the possible reasons? Someone help me!!
Hi everybody please help!! In Multiply Order, How to make the last stoploss be The New Stoploss for All, Close All ???
Hi there, I am new to metatrader and I have created my first Expert Advisor to alert me when a new bar is created. I list my code below as it doesn't appear to be alerting so i must have something wrong. Can any one help? Also once I have attach the cod eto the chart how do I unattach it? Hope...
Do I need to keep the names of the buffers originally named by MT4: ExtMapBuffer5[] or can I replace the names e.g. according to the color they are paintend like smaBlue[] ?? Or does this mix up MT4? Carl
According to a "golden rule" no more than 2% of capital should be risked for a single trade. Considering the above which of the following would be the best approach: 1) Position size should be no more than 2% of available capital 2) Position size can be (considerably) more than 2% of available...
I am experiencing loss of connection...my internet connection is fine...any suggestions? Thanks