48 articles 基本

Functions are imported from compiled MQL4 modules (*.ex4 files) and from operating system modules (*.dll files…

The #include command line can be placed anywhere in the program, but usually all inclusions are placed at the …

Every MQL4 program allows to specify additional specific parameters named #property that help client terminal …

Using the #define construction, one can define the symbolic name or symbolic constant at the program start to …

Preprocessor is a special subsystem of MQL4 compiler that is intended for preparation of the program source co…

The type of external functions defined in another component of a program must be explicitly described. The abs…

Any variable can be initialized at its defining. Any variable is initialized with zero (0) if no other initial…

The extern memory class defines an extern variable. The extern specifier is declared before a data type. exter…

Global variables are defined at the same level as functions, i.e. they are not local in any block. グローバル変数は関数と…

The memory class of “static” defines a static variable. The specifier “static” is decl…