MQL4参考 标准常量,列举和架构 输入/输出常量 代码页使用
Using a Codepage in String Conversion OperationsWhen converting string variables into arrays of char type and back, the encoding that by default corresponds to the current ANSI of Windows operating system (CP_ACP) is used in MQL4. If you want to specify a different type of encoding, it can be set as additional parameter for the CharArrayToString(), StringToCharArray() and FileOpen() functions. The table lists the built-in constants for some of the most popular code pages. Not mentioned code pages can be specified by a code corresponding to the page. Built-in Constants of Codepages
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