This section contains the technical details of working with a group of classes of "Arrow" graphical objects and a description of the relevant components of the MQL5 Standard Library. In essence, the arrow is a certain icon which is associated with a specific code. There are two types of "Arrow" graphical object to display icons on the charts:
"Arrow" object, which allows you to specify the code of the icon displayed by the object.
Group of objects to display a certain type of icons (corresponding to a certain fixed code).
Class for working with arrows displaying arbitrary code icons