- Qt 5.15
- Qt Help
- Qt Help C++ Classes
- Qt 5.15.15 Reference Documentation

# Qt Help C++ Classes

Provides classes for integrating online documentation in applications. More...

## Classes

QCompressedHelpInfo | Access to the details about a compressed help file
QHelpContentItem | Item for use with QHelpContentModel
QHelpContentModel | Model that supplies content to views
QHelpContentWidget | Tree view for displaying help content model items
QHelpEngine | Access to contents and indices of the help engine
QHelpEngineCore | The core functionality of the help system
QHelpFilterData | Details for the filters used by QHelpFilterEngine
QHelpFilterEngine | Filtered view of the help contents
QHelpFilterSettingsWidget | Widget that allows for creating, editing and removing filters
QHelpIndexModel | Model that supplies index keywords to views
QHelpIndexWidget | List view displaying the QHelpIndexModel
QHelpLink | Struct provides the data associated with a help link
QHelpSearchEngine | Access to widgets reusable to integrate fulltext search as well as to index and search documentation
QHelpSearchQueryWidget | Simple line edit or an advanced widget to enable the user to input a search term in a standardized input mask
QHelpSearchResult | The data associated with the search result
QHelpSearchResultWidget | Text browser to display search results

## Detailed Description

The classes and tools supplied with Qt to enable developers to include online help and documentation in their applications are described in more detail in The Qt Help Framework overview document.

To include the definitions of the module's classes, use the following directive:

     #include <QtHelp>

To link against the module, add this line to your qmake `.pro` file:

     QT += help