MQL5 ReferenceStandard LibraryFilesCFileFolderClean HandleFilenameFlagsSetUnicodeSetCommonOpenCloseDeleteIsExistCopyMoveSizeTellSeekFlushIsEndingIsLineEndingFolderCreateFolderDeleteFolderCleanFileFindFirstFileFindNextFileFindClose FolderClean Cleans specified folder. bool FolderClean( const string folder_name // folder name ) Parameters folder_name [in] Name of the folder to clean. It contains path to the folder relative to the folder defined by FILE_COMMON flag. Return Value true - successful, and false - cannot change the folder. Note The working folder is dependent on the flag previously set/reset by SetCommon() method. FolderDelete FileFindFirst