This implementation was done more as a training material and an attempt to inspire developers of MetaTrader 5 to add such a tool to the set of standard MetaTrader 5 objects. It is not implemented in the form of a class, saving and passing parameters when changing the timeframe, n...
from https://tradingrobots.net/four-clicks-to-draw-an-arc-shaped-channel-indicator-for-metatrader-5/