QCanBusFactory Class | Qt Serial Bus 5.15.0

- Qt 5.15
- Qt Serial Bus
- C++ Classes
- QCanBusFactory
- Qt 5.15.0 Reference Documentation

# QCanBusFactory Class

The QCanBusFactory class is a factory class used as the plugin interface for CAN bus plugins. More...

Header: | #include <QCanBusFactory>
qmake: | QT += serialbus
Since: | Qt 5.8
Inherited By: | QCanBusFactoryV2

This class is obsolete. It is provided to keep old source code working. We strongly advise against using it in new code.

This class was introduced in Qt 5.8.

- List of all members, including inherited members

## Public Functions

virtual QCanBusDevice * | createDevice(const QString &interfaceName, QString *errorMessage) const = 0

## Detailed Description

All plugins must implement the functions provided by this factory class.

This class is deprecated, you should use QCanBusFactoryV2 instead.

See also QCanBusFactoryV2.

## Member Function Documentation

### `[pure virtual]` QCanBusDevice *QCanBusFactory::createDevice(const QString &interfaceName, QString *errorMessage) const

Creates a new QCanBusDevice. The caller must take ownership of the returned pointer.

interfaceName is the CAN interface name and errorMessage contains an error description in case of failure.

If the factory cannot create a plugin, it returns `nullptr`.