MQL5 ReferenceStandard LibraryFilesCFileSeek HandleFilenameFlagsSetUnicodeSetCommonOpenCloseDeleteIsExistCopyMoveSizeTellSeekFlushIsEndingIsLineEndingFolderCreateFolderDeleteFolderCleanFileFindFirstFileFindNextFileFindClose Seek Sets file pointer's position. void Seek( long offset, // offset ENUM_FILE_POSITION origin // origin ) Parameters offset [in] File offset in bytes (can be negative). origin [in] Origin of the offset. Return Value true - successful, false - cannot change the file pointer. Tell Flush