int Function() export { }
It tells the compiler to add a function to the table of exported data of EX5 functions. Only functions with such a modifier become available ("visible") from other Expert Advisors. Now, the library property simply informs the compiler that the given EX5 is to become a library, and the compiler adds that to the EX5 header.
All functions planned as exported ones should be marked with the 'export' modifier.
There is a possibility of viewing the information by long or short positions in the form of a diagram. To switch between diagrams, one should press on their names or use the context menu. The assets of account by the deposit currency are displayed considering free margin.