The Expert Advisor allows you to determine which chart is active at the moment.
The code also works in MQL4, you just need to change the file extension to .mq4.
Translated from Russian by MetaQuotes Software Corp.
Original code: https://www.mql5.com/ru/code/12805
The Acceleration/Deceleration Indicator (AC) measures acceleration and deceleration of the current driving force.Average Directional Movement Index (ADX)
The Average Directional Movement Index Indicator (ADX) helps to determine if there is a price trend.