DOWNLOAD MQL4 WIZARD

An EA makes trading decisions based on data received from them. To make a program usable in practice, it must be compiled. Any application programs EA, indicator, or script can only be used for trading as part of MetaTrader 4 Client Terminal when it is connected to a server dealing center via the Internet. Let us see how the code of an EA may look. You can decide to base it on a fixed number of pips, use a technical indicator, or not have one at all. Just hit Compile or F7 to make sure that your code is error-free.

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In this tutorial wwizard will show you how to simply calculate number of bars that closed above a moving average indicator for a given number of bars back period. If you are not familiar with any programming language you should still be able to complete simple solution as we show in this tutorial.

Creating and Using Programs - MetaEditor - MQL4 Tutorial

Windows of the navigator and toolbox have moving boundaries and can be shown and hidden in the editor wizarrd the buttons and.

If you continue to use this site we will assume that you are happy with it. Signal modules are selected at this stage.

If any of the functions will not be used, its description can be deleted. Also, when a program is compiled, a new file create. Once you install your MetaTrader4 copy on your computer you will be able to edit this file using the MetaEditor tool.

MetaEditor

Figure 27 A window for indicating general parameters of an EA. An EA makes trading decisions based on data wiard from them. It means the program will be attached to a security chart and started for execution. We start with bar 1 and continue over each bar until all bars barsPeriod are checked.

If the parameter is marked with icon, it is available as an EA input variable. Thus, the attention of a user is dizard on a created program. The mechanism of making trade decisions is described in the MQL5 Reference. The executable file of MetaEditor MetaEditor. If there is a comment in a line, it should be started from the 76th position recommended for 17" monitors with x pixel resolution.

Place them in the following directories to make them available in MQL5 Wizard: Each type of nql4 has its own set of parameters.

How to Create a Simple Forex EA Using the MetaEditor Wizard

At this stage, you should select a money management type for your EA. This is a rare case, but if it occurs, such a comment must be necessarily placed; otherwise, not only another programmer, but the author himself will not be able to puzzle out the part after a while. For example, if a code line takes 80 positions, it is not necessarily divided into two lines, a comment can be started from the 81st position.

Even if this might seem too complex to dizard, it is quite intuitive especially if the MetaEditor also helps you to complete the code.

Each type of money management has its own set of parameters. The mechanism of making trade decisions is described in MQL5 Reference. If all evaluated bars in a given period close above the moving average value we can consider the market to be in an uptrend.

Usually the program code part contains symbol lines, and the string comment looks like a text column in the right part of a screen. To count bars that closed above the moving average indicator we will use this simple custom function:.

To do this, click Compile or F7. The editor can be opened by clicking on the file name MetaEditor. Script Generate a template for writing a script - a program for a one-time execution of any actions.

In addition, you can write your own classes as well as create them based on the existing ones. Once the function is complete we can save our work, open EA Wizard and use the created function in our new expert advisor. A chart symbol the EA is attached to is to be used as a working symbol. A correctly coded program definitely contains comments.