|qmake:||QT += opcua|
|QOpcUaProvider(QObject *parent = nullptr)|
|QOpcUaClient *||createClient(const QString &backend)|
- 34 public functions inherited from QObject
- 10 static public members inherited from QObject
Additional Inherited Members
- 1 property inherited from QObject
- 1 public slot inherited from QObject
- 2 signals inherited from QObject
- 1 public variable inherited from QObject
- 9 protected functions inherited from QObject
- 2 protected variables inherited from QObject
For the available plugins and their capabilities please refer to the introduction.
This code creates a client using the first available backend:
Member Function Documentation
QOpcUaProvider::QOpcUaProvider(QObject *parent = nullptr)
Creates a new OPC UA provider with a given parent.
Destroys the instance of QOpcUaProvider. The destructor is virtual.
[static] QStringList QOpcUaProvider::availableBackends()
Returns a QStringList of available plugins.
QOpcUaClient *QOpcUaProvider::createClient(const QString &backend)
Returns a pointer to a QOpcUaClient object by loading the selected backend as a plugin and creating a client object. If the plugin loading fails,
nullptr is returned instead.
The user is responsible for deleting the returned QOpcUaClient object when it is no longer needed.
Note: This function can be invoked via the meta-object system and from QML. See Q_INVOKABLE.
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