Standard Library

This group of chapters contains the technical details of the MQL5 Standard Library and descriptions of all its key components.

MQL5 Standard Library is written in MQL5 and is designed to facilitate writing programs (indicators, scripts, experts) for end users. Library provides convenient access to the most of the internal MQL5 functions.

MQL5 Standard Library is placed in the working directory of the terminal in the 'Include' folder.

Section	Location
Mathematics	Include\Math\
OpenCL	Include\OpenCL\
Basic Class CObject	Include\
Data Collections	Include\Arrays\
Generic Data Collections	Include\Generic\
Files	Include\Files\
Strings	Include\Strings\
Graphic Objects	Include\Objects\
Custom Graphics	Include\Canvas\
3D Graphics	Include\Canvas\
Price Charts	Include\Charts\
Scientific Charts	Include\Graphics\
Indicators	Include\Indicators\
Trade classes	Include\Trade\
Strategy Modules	Include\Expert\
Panels and Dialogs	Include\Controls\