MQL4参考 程序端全局变量 GlobalVariableGet
GlobalVariableGetReturns the value of an existing global variable of the client terminal. There are 2 variants of the function. 1. Immediately returns the value of the global variable.
Parameters name [in] Global variable name. double_var [out] Target variable of the double type, which accepts the value stored in a the global variable of the client terminal. Return Value The value of the existing global variable or 0 in case of an error. For more details about the error, call GetLastError(). Note Global variables exist in the client terminal during 4 weeks since their last use, then they are automatically deleted. |