Forex MT4 coding 2 variable Structure

MT4 variable structure

Look at MACD Sample code for example.

Properties show the code owner

Global variable

This part used for declare  global variable, which variable in this part would able to see and able to used by every function of code
(so these variable name in this part should be unique name)

Function variable

Variable in this part able to used in this part only unable to used by other function.

Forex MT4 EA coding Step1 Starting build The EA

First Step MT4 EA coding

Goto Menu Tools => Metaquotes Language Editors or F4

To access MetaEditor code Editors

Use MQL Wizard to tell what type of code we would build => Select Expert Advisor Template to build Expert Advisor

Input the name of MT4 EA, Author and Link (if have your web sites)

Select Function would like to build instance MT4 work under Timer, on ChartEvent and etc.

How to Back Test MT4 Expert Advisor

Short cut Back Test MT4 Expert Advisor

Click on the Icon Expert Advisor Tester (Strategy Tester)

Tester windows would show

Click Expert Properties button to => Input the properties value

Select date time and range date want to test the MT4 expert advisor

• Click on Start button to start testing

Click on Result this MT4 Tester would show the tester result

Click on Open Chart button would show the result chart

Attach MT4 indicators

Attach MT4 indicators and Save to the template

Select Indicator pasted into Chart

Example MT4 Moving Average Trend Indicators 10, 50, 200

Average Directional Movement Index with put Moving average to the ADX chart

Stochastic Oscillator and MACD and save template to use in next time and other currency pair photo show as below

First Setting up mt4 trading screen

MT4 Setting indicators and Template

MT4 Chart Setting

Right click on the Symbol currency pair we want to make a trading => Select Popup Chart Windows

Default chart would show in Time Frame H1 (60 minutes)

The time frame selection would found on small icon

• m1 = 1 minute/candle
• m5 = 5 minute/candle
• m15 = 15 minute/candle
• m30 = 30 minute/candle
• H1 = 1 hours/candle
• H4 = 4 hours/candle
• D1 = 1 day/candle
• W1 = 1 week/candle
• MN= month/candle

Right click on the chart tick select chart style and colour of candles

On the Common page tick to Show Ask Line

After finish Setting screen would show like this