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# QHelpContentWidget Class Reference
[QtHelp module]

The QHelpContentWidget class provides a tree view for displaying help content model items. More...

     #include <QHelpContentWidget>

Inherits QTreeView.

This class was introduced in Qt 4.4.

- List of all members, including inherited members

### Public Functions

- QModelIndex indexOf ( const QUrl & link )

- 41 public functions inherited from QTreeView
- 54 public functions inherited from QAbstractItemView
- 15 public functions inherited from QAbstractScrollArea
- 13 public functions inherited from QFrame
- 206 public functions inherited from QWidget
- 29 public functions inherited from QObject
- 12 public functions inherited from QPaintDevice

### Signals

- void linkActivated ( const QUrl & link )

- 2 signals inherited from QTreeView
- 6 signals inherited from QAbstractItemView
- 1 signal inherited from QWidget
- 1 signal inherited from QObject

### Additional Inherited Members

- 11 properties inherited from QTreeView
- 15 properties inherited from QAbstractItemView
- 2 properties inherited from QAbstractScrollArea
- 6 properties inherited from QFrame
- 57 properties inherited from QWidget
- 1 property inherited from QObject
- 9 public slots inherited from QTreeView
- 9 public slots inherited from QAbstractItemView
- 19 public slots inherited from QWidget
- 1 public slot inherited from QObject
- 4 static public members inherited from QWidget
- 5 static public members inherited from QObject
- 14 protected functions inherited from QTreeView
- 33 protected functions inherited from QAbstractItemView
- 16 protected functions inherited from QAbstractScrollArea
- 38 protected functions inherited from QWidget
- 7 protected functions inherited from QObject
- 1 protected function inherited from QPaintDevice
- 4 protected slots inherited from QTreeView
- 9 protected slots inherited from QAbstractItemView
- 1 protected slot inherited from QAbstractScrollArea
- 1 protected slot inherited from QWidget

## Detailed Description

The QHelpContentWidget class provides a tree view for displaying help content model items.

## Member Function Documentation

### QModelIndex QHelpContentWidget::indexOf ( const QUrl & link )

Returns the index of the content item with the link. An invalid index is returned if no such an item exists.

### void QHelpContentWidget::linkActivated ( const QUrl & link ) `[signal]`

This signal is emitted when a content item is activated and its associated link should be shown.