//+------------------------------------------------------------------+ //| fileapi.mqh | //| Copyright 2000-2025, MetaQuotes Ltd. | //| https://www.mql5.com | //+------------------------------------------------------------------+ #include //--- enum STREAM_INFO_LEVELS { FindStreamInfoStandard, FindStreamInfoMaxInfoLevel }; //--- struct BY_HANDLE_FILE_INFORMATION { uint dwFileAttributes; FILETIME ftCreationTime; FILETIME ftLastAccessTime; FILETIME ftLastWriteTime; uint dwVolumeSerialNumber; uint nFileSizeHigh; uint nFileSizeLow; uint nNumberOfLinks; uint nFileIndexHigh; uint nFileIndexLow; }; //--- struct CREATEFILE2_EXTENDED_PARAMETERS { uint dwSize; uint dwFileAttributes; uint dwFileFlags; uint dwSecurityQosFlags; PVOID lpSecurityAttributes; HANDLE hTemplateFile; }; //--- struct FILE_ATTRIBUTE_DATA { uint dwFileAttributes; FILETIME ftCreationTime; FILETIME ftLastAccessTime; FILETIME ftLastWriteTime; uint nFileSizeHigh; uint nFileSizeLow; }; //--- struct FIND_STREAM_DATA { long StreamSize; short cStreamName[MAX_PATH+36]; }; //--- struct FIND_DATAW { uint dwFileAttributes; FILETIME ftCreationTime; FILETIME ftLastAccessTime; FILETIME ftLastWriteTime; uint nFileSizeHigh; uint nFileSizeLow; uint dwReserved0; uint dwReserved1; short cFileName[MAX_PATH]; short cAlternateFileName[14]; }; //+------------------------------------------------------------------+ //| | //+------------------------------------------------------------------+ #import "kernel32.dll" int AreFileApisANSI(void); int CompareFileTime(FILETIME &file_time1,FILETIME &file_time2); int CreateDirectoryW(const string path_name,PVOID security_attributes); HANDLE CreateFile2(const string file_name,uint desired_access,uint share_mode,uint creation_disposition,CREATEFILE2_EXTENDED_PARAMETERS &create_ex_params); HANDLE CreateFileW(const string file_name,uint desired_access,uint share_mode,PVOID security_attributes,uint creation_disposition,uint flags_and_attributes,HANDLE template_file); int DefineDosDeviceW(uint flags,const string device_name,const string target_path); int DeleteFileW(const string file_name); int DeleteVolumeMountPointW(const string volume_mount_point); int FileTimeToLocalFileTime(FILETIME &file_time,FILETIME &local_file_time); int FindClose(HANDLE find_file); int FindCloseChangeNotification(HANDLE change_handle); HANDLE FindFirstChangeNotificationW(const string path_name,int watch_subtree,uint notify_filter); HANDLE FindFirstFileExW(const string file_name,FINDEX_INFO_LEVELS info_level_id,FIND_DATAW &find_file_data,FINDEX_SEARCH_OPS search_op,PVOID search_filter,uint additional_flags); HANDLE FindFirstFileNameW(const string file_name,uint flags,uint &StringLength,ushort &LinkName[]); HANDLE FindFirstFileW(const string file_name,FIND_DATAW &find_file_data); HANDLE FindFirstStreamW(const string file_name,STREAM_INFO_LEVELS InfoLevel,FIND_STREAM_DATA &find_stream_data,uint flags); HANDLE FindFirstVolumeW(ushort &volume_name[],uint &buffer_length); int FindNextChangeNotification(HANDLE change_handle); int FindNextFileNameW(HANDLE find_stream,uint &StringLength,ushort &LinkName[]); int FindNextFileW(HANDLE find_file,FIND_DATAW &find_file_data); int FindNextStreamW(HANDLE find_stream,FIND_STREAM_DATA &find_stream_data); int FindNextVolumeW(HANDLE find_volume,ushort &volume_name[],uint &buffer_length); int FindVolumeClose(HANDLE find_volume); int FlushFileBuffers(HANDLE file); uint GetCompressedFileSizeW(const string file_name,uint &file_size_high); int GetDiskFreeSpaceExW(const string directory_name,ulong &free_bytes_available_to_caller,ulong &total_number_of_bytes,ulong &total_number_of_free_bytes); int GetDiskFreeSpaceW(const string root_path_name,uint §ors_per_cluster,uint &bytes_per_sector,uint &number_of_free_clusters,uint &total_number_of_clusters); uint GetDriveTypeW(const string root_path_name); int GetFileAttributesExW(const string file_name,GET_FILEEX_INFO_LEVELS info_level_id,FILE_ATTRIBUTE_DATA &file_information); uint GetFileAttributesW(const string file_name); int GetFileInformationByHandle(HANDLE file,BY_HANDLE_FILE_INFORMATION &file_information); uint GetFileSize(HANDLE file,uint &file_size_high); int GetFileSizeEx(HANDLE file,long &file_size); int GetFileTime(HANDLE file,FILETIME &creation_time,FILETIME &last_access_time,FILETIME &last_write_time); uint GetFileType(HANDLE file); uint GetFinalPathNameByHandleW(HANDLE file,ushort &file_path[],uint file_path,uint flags); uint GetFullPathNameW(const string file_name,uint buffer_length,ushort &buffer[],ushort &file_part[]); uint GetLogicalDrives(void); uint GetLogicalDriveStringsW(uint buffer_length,ushort &buffer[]); uint GetLongPathNameW(const string short_path,string &long_path,uint buffer); uint GetShortPathNameW(const string long_path,string &short_path,uint buffer); uint GetTempFileNameW(const string path_name,const string prefix_string,uint unique,ushort &temp_file_name[]); uint GetTempPathW(uint buffer_length,ushort &buffer[]); int GetVolumeInformationByHandleW(HANDLE file,ushort &volume_name_buffer[],uint volume_name_size,uint &volume_serial_number,uint &maximum_component_length,uint &file_system_flags,ushort &file_system_name_buffer[],uint file_system_name_size); int GetVolumeInformationW(const string root_path_name,ushort &volume_name_buffer[],uint volume_name_size,uint &volume_serial_number,uint &maximum_component_length,uint &file_system_flags,ushort &file_system_name_buffer[],uint file_system_name_size); int GetVolumeNameForVolumeMountPointW(const string volume_mount_point,string volume_name,uint buffer_length); int GetVolumePathNamesForVolumeNameW(const string volume_name,string volume_path_names,uint buffer_length,uint &return_length); int GetVolumePathNameW(const string file_name,ushort &volume_path_name[],uint buffer_length); int LocalFileTimeToFileTime(FILETIME &local_file_time,FILETIME &file_time); int LockFile(HANDLE file,uint file_offset_low,uint file_offset_high,uint number_of_bytes_to_lock_low,uint number_of_bytes_to_lock_high); int LockFileEx(HANDLE file,uint flags,uint reserved,uint number_of_bytes_to_lock_low,uint number_of_bytes_to_lock_high,OVERLAPPED &overlapped); uint QueryDosDeviceW(const string device_name,ushort &target_path[],uint max); int ReadFile(HANDLE file,ushort &buffer[],uint number_of_bytes_to_read,uint &number_of_bytes_read,OVERLAPPED &overlapped); int ReadFile(HANDLE file,ushort &buffer[],uint number_of_bytes_to_read,uint &number_of_bytes_read,PVOID overlapped); int ReadFileScatter(HANDLE file,FILE_SEGMENT_ELEMENT &segment_array[],uint number_of_bytes_to_read,uint &reserved,OVERLAPPED &overlapped); int ReadFileScatter(HANDLE file,FILE_SEGMENT_ELEMENT &segment_array[],uint number_of_bytes_to_read,uint &reserved,PVOID overlapped); int RemoveDirectoryW(const string path_name); int SetEndOfFile(HANDLE file); void SetFileApisToANSI(void); void SetFileApisToOEM(void); int SetFileAttributesW(const string file_name,uint file_attributes); int SetFileInformationByHandle(HANDLE file,FILE_INFO_BY_HANDLE_CLASS FileInformationClass,FILE_INFO &file_information,uint buffer_size); int SetFileIoOverlappedRange(HANDLE FileHandle,uchar &OverlappedRangeStart,uint Length); uint SetFilePointer(HANDLE file,long distance_to_move,long &distance_to_move_high,uint move_method); int SetFilePointerEx(HANDLE file,long distance_to_move,long &new_file_pointer,uint move_method); int SetFileTime(HANDLE file,FILETIME &creation_time,FILETIME &last_access_time,FILETIME &last_write_time); int SetFileValidData(HANDLE file,long ValidDataLength); int UnlockFile(HANDLE file,uint file_offset_low,uint file_offset_high,uint number_of_bytes_to_unlock_low,uint number_of_bytes_to_unlock_high); int UnlockFileEx(HANDLE file,uint reserved,uint number_of_bytes_to_unlock_low,uint number_of_bytes_to_unlock_high,OVERLAPPED &overlapped); int WriteFile(HANDLE file,const ushort &buffer[],uint number_of_bytes_to_write,uint &number_of_bytes_written,OVERLAPPED &overlapped); int WriteFile(HANDLE file,const ushort &buffer[],uint number_of_bytes_to_write,uint &number_of_bytes_written,PVOID overlapped); int WriteFileGather(HANDLE file,FILE_SEGMENT_ELEMENT &segment_array[],uint number_of_bytes_to_write,uint &reserved,OVERLAPPED &overlapped); int WriteFileGather(HANDLE file,FILE_SEGMENT_ELEMENT &segment_array[],uint number_of_bytes_to_write,uint &reserved,PVOID overlapped); #import //+------------------------------------------------------------------+