[Overview][Types][Classes][Procedures and functions][Variables][Index] | Reference for unit 'LazHelpIntf' (#lcl)

# Reference for unit 'LazHelpIntf': Classes

`THelpBasePathObject` |  | Stores the base file path for help databases.
`THelpBaseURLObject` |  | Stores the base URL for topics in help databases.
`THelpDatabase` |  | Provides support for integrating a collection of related help topics with a table of contents.
`THelpDatabases` |  | Implements support for accessing and maintaining registered help database classes in the help system.
`THelpDBIClass` |  |
`THelpDBIMessage` |  |
`THelpDBISourceDirectories`
`THelpDBISourceDirectory` |  |
`THelpDBISourceFile` |  |
`THelpDBItem` |  |
`THelpNode` |  | .
`THelpNodeQuery` |  |
`THelpNodeQueryList` |  |
`THelpQueryItem` |  |
`THelpQueryNode` |  |
`THelpViewer` |  | Base class for help viewers used in the LCL help system.
`THelpViewers` |  | Used to access and maintain registered help viewers for the LCL help system.
`TPascalHelpContextList` |  | Implements a list for Pascal help contexts.