Main module in old core

List classes for the kernel in the old core

Class	Description	Available from version
CMain	Main class.
CDatabase	Class to handle the database.
CDBResult	Class to handle query result.
CAgent	Class to handle agents.
CEvent	Class to send mail events.
CEventMessage	Class to handle mail event templates.
CEventType	Class to handle types of meal events.	3.0.3
CFile	Class to handle files and images.
CUser	Class to handle users.
CGroup	Class to handle user groups.
CSite	Class to handle sites.
CLanguage	Class to handle languages.
CMainPage	Class to use at portal main page.
CMenu	Menu processing.
CModule	Module processing.
COption	Class to handle module parameters.
CPageOption	Class to handle page-only parameters.
CPageCache	Class to cache HTML.
CPHPCache	Class to cache PHP variables and HTML.
CAdminFileDialog	Class to handle file dialog in system administrative section.
CComponentEngine	Class incapsulates auxiliary methods.
CDiskQuota	Class to handle drive quotas.
CUserTypeEntity	Class to handle user fields.
CAdminPage
CApplicationException	Class to handle exceptions.
CBitrixComponent	Class - component wrapper.
CBitrixComponentTemplate	Class - wrapper for component template.
CRatings	Class to handle ratings.
CUserFieldEnum	Class to handle user fields of "list" type.
CUserCounter	Class designed to handle counters.
CBXSanitizer	Class to sanitize user-inputted HTML: text tags and attributes that are not "whitelisted".
CAdminNotify	Class to handle notifications.
CBXVirtualIo	Class to handle public section files.
CBXVirtualFile	Class of a public section file.
CBXVirtualDirectory	Class of a public section folder.
CSmile	Class to handle smileys.
CSmileSet	Class to handle smileys packages.
CSmileGallery	Class to handle smiley galleries.
CEventLog	Class to handle a log.