# Uses of Interface
javax.help.event.HelpModelListener

Packages that use HelpModelListener
Package
Description
javax.help
Supports presentation of online documentation with both content and contextual views of this information.
javax.help.plaf.basic

## Uses of HelpModelListener in javax.help

Subinterfaces of HelpModelListener in javax.help
Modifier and Type
Interface
Description
`interface`
`HelpHistoryModel`
The interface to the history model.
Classes in javax.help that implement HelpModelListener
Modifier and Type
Class
Description
`class`
`DefaultHelpHistoryModel`
DefaultHelpHistoryModel is default implementation of HelpHistoryModel interface
Methods in javax.help with parameters of type HelpModelListener
Modifier and Type
Method
Description
`void`
DefaultHelpModel.`addHelpModelListener(HelpModelListener l)`
Adds a listener for the HelpModelEvent posted after the model has changed.
`void`
HelpModel.`addHelpModelListener(HelpModelListener l)`
Adds a listener for the HelpModelEvent posted after the model has changed.
`void`
JHelpContentViewer.`addHelpModelListener(HelpModelListener l)`
Adds a listener for the HelpModelEvent posted after the model has changed.
`void`
JHelpNavigator.`addHelpModelListener(HelpModelListener l)`
Adds a listener for the HelpModelEvent posted after the model has changed.
`void`
DefaultHelpModel.`removeHelpModelListener(HelpModelListener l)`
Removes a listener previously added with addHelpListener
`void`
HelpModel.`removeHelpModelListener(HelpModelListener l)`
Removes a listener previously added with `addHelpModelListener`
`void`
JHelpContentViewer.`removeHelpModelListener(HelpModelListener l)`
Removes a listener previously added with `addHelpModelListener`
`void`
JHelpNavigator.`removeHelpModelListener(HelpModelListener l)`
Removes a listener previously added with `addHelpModelListener`.

## Uses of HelpModelListener in javax.help.plaf.basic

Classes in javax.help.plaf.basic that implement HelpModelListener
Modifier and Type
Class
Description
`class`
`BasicContentViewerUI`
The default UI for JHelpContentViewer.
`class`
`BasicFavoritesNavigatorUI`
The default UI for JHelpNavigator of type Favorites
`class`
`BasicGlossaryNavigatorUI`
The default UI for JHelpNavigator of type Glossary.
`class`
`BasicIndexNavigatorUI`
The default UI for JHelpNavigator of type Index.
`class`
`BasicSearchNavigatorUI`
`class`
`BasicTOCNavigatorUI`
The default UI for JHelpNavigator of type TOC.