Nguyen Van Luong

Information

5+ years experience	1 products	1 demo versions
0 jobs	0 signals	0 subscribers

Nguyen Van Luong 2025.06.10

https://www.mql5.com/en/code/56646

Nguyen Van Luong 2025.04.19

Trading with the MQL5 Economic Calendar (Part 7): Preparing for Strategy Testing with Resource-Based News Event Analysis https://www.mql5.com/en/articles/17603

Nguyen Van Luong Published product 2024.10.25

Custom Symbols with D2 D3 D4 W2 and W3

30.00 USD

This is a service used to create custom symbols from an existing symbol by adding D2, D3, D4, W2 and W3 timeframes. List Symbols (Exp: EURUSD,GBPUSD,XAUUSD) : Declare the list of symbols to create the custom symbols. Example: AUDUSD,EURUSD,EURGPB,XAUUSD. Now the service will create the following custom symbols: AUDUSD_D2, AUDUSD_D3, AUDUSD_D4, AUDUSD_W2, AUDUSD_W3 EURUSD_D2, EURUSD_D3, EURUSD_D4, EURUSD_W2, EURUSD_W3 EURGPB_D2, EURGPB_D3, EURGPB_D4, EURGPB_W2, EURGPB_W3

Nguyen Van Luong 2024.09.20

Added topic the sort by percent change in Toolbox is not correct

I'm using MT5 version 5.00 build 4410. In Toolbox dialog the sort by percent change is not correct

Nguyen Van Luong 2024.08.26

Added topic How to free up memory after the service finishes executing the task?

I created a service to run every 4 hours to analyze 35 currency pairs for all time frames from M30~ MN. After the analysis is complete, the service still takes up 9.5MB of RAM and slows down the computer. I had to Stop and then click Start again to

Nguyen Van Luong 2024.06.16

Added topic How to free up memory occupied by a service?

2023.12.14

StringSet unique_symbols; for (int i = PositionsTotal() - 1; i >= 0; i--) { if (mm_position.SelectByIndex(i)) { unique_symbols.Add(mm_position.Symbol()); } } Print("Symbols total = ", unique_symbols.Total() + " " + unique_symbols.At(0) + " " + unique_symbols.SearchLinear("NZDCHF"));

nicholish en 2018.09.13

Comment to topic Function to Calculate Number of Opened Symbols

Olufemi Odunuga : Thanks Keith, Your observation is noted. I was just trying to make it simple. I thought my explanation would suffice. It's not simple, it's spaghetti code . You need to create a

2023.12.11

salitos 2022.09.02

Comment to topic How can I get the Highest and Lowest between 2 hours every day

CopyRates() has a variant that takes the start time and end time explicitly. I prefer CopyRates/CopyHigh/CopyLow as it provides the facility to check that you have all the data before using it further

2023.12.08

Alain Verleyen 2019.09.29

Comment to topic Unicode not fully supported?

Mladen Rakic : As far as I have checked it, it seems that using objects that are aimed to display text in any form (since objects are using "regular" strings as "buffers" for the text that needs to

2023.11.25

Chép dữ liệu của MT5 trong thư mục AppData sang ổ đĩa khác

Mateus Botelho Mattos 2021.10.20

Comment to topic How to change the data folder in MT5?

Hello, I know this is an old thread, but here how I changed all my MetaTrader 5 folders do another hard drive, using Windows Hard Link: a) Close all your MetaTraders and copy the directory to the new

2023.11.17

WebRequest() không cần khai báo URL, có thể dùng được với localhost

Wemerson Guimaraes 2017.06.16

Comment to topic Loading remote URL via Wininet.dll... how to detect HTTP errors ?

Ex Ovo Omnia : I have been using HttpQueryInfoW (HTTP_QUERY_STATUS_CODE|HTTP_QUERY_FLAG_NUMBER as the info level) to get the response status code of an asynchronous request. I am not sure if it works

Nguyen Van Luong 2023.11.17

Added topic How to add the address 'http://localhost:12345/Test/GetTitle' to the list of allowed URLs on tab 'Expert Advisors'?

I cannot add the address 'http://localhost:12345/Test/GetTitle' to the list of allowed URLs on tab 'Expert Advisors' for development and testing my EA. Please help me

Nguyen Van Luong 2023.11.12

Added topic [Error Report] MetaEditor (Build 4040) using too much CPU, Memory and Power usage!

I am using the computer (Desktop PC): Core i5, 12GB RAM Recently My computer often suddenly restarts if running the MetaEditor program. The cause may be because the MetaEditor takes up too much of the computer's resources (CPU, Memory and

shared author's Daniel Jose article 2023.08.05

Replay

Developing a Replay System — Market simulation (Part 03): Adjusting the settings (I)

Let's start by clarifying the current situation, because we didn't start in the best way. If we don't do it now, we'll be in trouble soon.

shared author's Mohamed Abdelmaaboud article 2023.07.22

Creating Graphical Panels Became Easy in MQL5

In this article, we will provide a simple and easy guide to anyone who needs to create one of the most valuable and helpful tools in trading which is the graphical panel to simplify and ease doing tasks around trading which helps to save time and focus more on your trading process itself without any distractions.

shared author's Serhii Ivanenko code 2023.07.11

AutoTrendLines

The indicator automatically identifies points and draws support and resistance trend lines on them. There are two types of lines calculation

shared author's Mohamed Abdelmaaboud article 2023.07.11

TrendLine

How to deal with lines using MQL5

In this article, you will find your way to deal with the most important lines like trendlines, support, and resistance by MQL5.

shared author's Ahmed Soliman code 2023.07.10

Tham khảo lấy giá trị theo TrendLine theo thời gian

TrendLine Touch Alert

This indicator simply alerts and sends email every time the trend line touched by the price.

Nguyen Van Luong 2023.05.28

Added topic MT5 build 3661 too slow backtesting

3 months ago backtest was normal but now backtest is terribly slow. I don't know if it's because MT5 has changed or is there a problem with my computer

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