programming language for MT4 Forex Software
It is programming language for MT4 forex software that is attached to a certain chart and works on every tick, i.e. after each price change. As a rule, Forex robots are used for creation of mechanical trading systems. The name “advisor” itself means that such program should give you some advices concerning your actions at each price change. Professional programming language for MT4 program,like the best forex robot online has a unique feature – it performs trades. Other user programs have no such ability. There are two methods of performance of trades: real and virtual. In case of a virtual method, the robot marks the place on the chart where a trade could be performed without carrying out a real trading operation. It means that the expert advisor gives you an advice how to act.
Types of programming language for MT4 programs
User Forex Indicator
It is programming language for MT4 based forex software that allows you to create several types of programming language for MT4 program, for example you can create your own technical indicator. It often happens that traders want to have a wider choice of indicators and do not want to limit themselves by a standard set of tools offered by MT4 4 developer. A user programming language for MT4 program or the best forex trading indicator can help you. These programs allow you to draw your own charts and output text and graphic marks on a rates chart. programming language for MT4 professional forex indicators as well as forex robots, are attached to the chart to display some technical instruments and work at each price change. The difference is that best indicators for mt4 cannot carry out trades.
As it was mentioned before, advisors and indicators work at each price change. It means that after being attached to the chart they queue up and work by turns after price change.
It is programming language for MT4 based forex software that is created for carrying out some concrete one-time actions. In order to re-execute the Forex script, you need to call it once again.
As you can see, all three types of programming language for MT4 programs differ in purpose and methods of interaction with the MT4 4 trading terminal
Now let’s speak about the program structure. As a rule, in order to create programming language for MT4 based forex software, you need to use expert advisor wizard (hotkey Ctrl+N). Depending on the type of a program, if you choose an advisor or a user indicator, you will see a text with three empty functions after finishing all steps of work of expert advisor wizard; if you choose a script, you will see one empty function.
First of all, it should be noted that mq4 programs are strictly structured and their execution is divided into several steps.
Best MT4 ea and top forex indicators include three stages of execution presented by functions init(),start() and deinit(). Scripts include only the function start(). Such structure allows to understand what stages the program goes through from its attachment to the chart and to the moment of its removal from the chart by the user.
Life cycle of such programming language for MT4 programs except scripts includes: initialization, execution of the main part of the program and deinitialization. These stages are carried out by functions init(),start() and deinit().
It is easy to understand that the main work is done in the function start(), because it is executed each time when a chart change occurs. Besides the above-mentioned functions, programming language for MT4 program includes a title with parameters of program execution (open the indicator in the same window or in a separate window, etc).
Besides, it is recommended to compare programming language for MT4 code of basic MT4 4 indicators and advisors. You should do it as an illustration. It is also very useful to read about MetaEditor 4 and learn how to compile programs.
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