MQL5参考标准程序库文件CFileClose HandleFilenameFlagsSetUnicodeSetCommonOpenCloseDeleteIsExistCopyMoveSizeTellSeekFlushIsEndingIsLineEndingFolderCreateFolderDeleteFolderCleanFileFindFirstFileFindNextFileFindClose Close 关闭已分配到类实例的文件。 void Close() Open Delete