VHFI On Array Class for Indicator Buffer Calculations
Info
The VHFI On Array Class for Indicator Buffer Calculations is a Library for MetaTrader 5 that the cvhfionarray class is designed for calculating volume weighted moving average (vwma) values on indicator buffers. Usage:The Init() method is called in the OnInit() function with the following parameter:int vhfPeriod- The indicator period.
Usage
This tool is typically used for enhancing chart analysis and decision making.
Platform
This Library works exclusively on MetaTrader 5 (both build 600+ and newer versions).
Setup
Place the downloaded file in MQL5/Libraries folder via File ? Open Data Folder in MetaTrader 5.
How to Install and Use VHFI On Array Class for Indicator Buffer Calculations
1. Storage: Place library files in the MQL/Libraries directory to ensure they are accessible to your projects.
2. Implementation: Include the library in your code using the #import directive, ensuring you match the exact function names and parameters.
3. Compilation: Ensure the library is present in the directory before you compile your main EA or script, as the compiler links them during this phase.
4. Management: Keep libraries organized in sub-folders if you manage many custom functions to maintain a clean project structure.
Frequently Asked Questions
Q: What is a library file used for? A: Libraries store reusable code modules, allowing you to centralize common logic used by multiple EAs or indicators.
Q: Is a library executable? A: No, libraries are non-executable files containing functions; they must be imported into an EA, indicator, or script to function.
Q: Can I update a library while the platform is running? A: You should compile your EA or script after updating a library to ensure the latest code changes are integrated.
What this tool does
The CVHFIOnArray class is designed for calculating Volume Weighted Moving Average (VWMA) values on indicator buffers.
Typical Use Case
This Library excels in automated trading and technical analysis on MetaTrader 5.
Compatible Platform & Setup
This Library works on MetaTrader 5. Place the file in the MQL5/Libraries folder and restart the terminal.
Description & Settings
Related: Moving Average Calculation on Array Data - another powerful library for MetaTrader 5 traders.
The CVHFIOnArray class is designed for calculating Volume Weighted Moving Average (VWMA) values on indicator buffers.Also recommended: ATR Calculation Array Class for MetaTrader 5 - similar library with strong performance on MetaTrader 5.
Usage:
The Init() method is called in the OnInit() function with the following parameter:
int vhfPeriod
- The indicator period.
The Solve() method is called in the OnCalculate() function with the following parameters:
const int ratesTotal
- The rates_total variable from the OnCalculate() function parameters.
const int prevCalculated
- The prev_calculated variable from the OnCalculate() function.
double dataHigh[]
- The buffer containing the high data for indicator calculation.
double dataLow[]
- The buffer containing the low data for indicator calculation.
double dataClose[]
- The buffer containing the close data for indicator indicator calculation.
double vhf[]
- The buffer to store the calculated indicator values.
Additional Methods:
int BarsRequired()
- Returns the minimum number of bars required for the indicator calculation.
string Name()
- Returns the string containing the indicator name.
The test_vhfonarray.mq5 file is a sample indicator demonstrating the application of the CVHFIOnArray class. The incvhfonarray file must be placed in the MQL5\Include\Inconarray directory within your terminal's data folder. You may need to create the Inconarray folder.
The Volume Weighted Moving Average (VWMA) indicates the current market phase, whether it is trending or ranging. It was originally described by A. White in 1996.
You may also like: MACD on Array - excellent alternative for library users on MetaTrader 5.
Source Code
#property copyright "robotfx"
#property link "https://robotfx.org"
#property version "1.00"
#property indicator_separate_window
#property indicator_buffers 4
#property indicator_plots 1
#property indicator_label1 "label1"
#property indicator_type1 draw_line
#property indicator_color1 clrred
#property indicator_style1 style_solid.......
⚠ Limitations & Risk Warning
- This tool is provided for educational and testing purposes only.
- Past performance does not guarantee future results.
- Trading involves substantial risk of loss. Use on a demo account first.
- Results may vary depending on market conditions, broker, and settings.
- We recommend thorough backtesting and forward testing before using with real funds.