MQL4参考 程序端全局变量 GlobalVariablesTotal

GlobalVariablesTotal

Returns the total number of global variables of the client terminal.

int  GlobalVariablesTotal();

Return Value

Number of global variables.

Note

Global variables exist in the client terminal during 4 weeks since their last use, then they are automatically deleted. Call of a global variable is not only setting a new value, but also reading the value of the global variable.