Qt OPC UA C++ Classes | Qt OPC UA 6.4.1

- Qt 6.4
- Qt OPC UA
- Qt OPC UA C++ Classes
- Qt 6.4.1 Reference Documentation

# Qt OPC UA C++ Classes

List of C++ classes that provide the Qt OPC UA functionality. More...

This module was introduced in Qt 5.11.

## Namespaces

QOpcUa::NodeIds | This namespace contains enums with known node ids

## Classes

QOpcUaAddNodeItem | This class stores the necessary information to create a new node on the server
QOpcUaAddReferenceItem | This class stores the necessary information to add a new reference on the server
QOpcUaApplicationDescription | OPC UA ApplicationDescription
QOpcUaApplicationIdentity | Defines the identity of the application
QOpcUaApplicationRecordDataType | OPC UA ApplicationRecordDataType
QOpcUaArgument | OPC UA Argument type
QOpcUaAttributeOperand | OPC UA AttributeOperand type
QOpcUaAuthenticationInformation | OPC UA authentication information
QOpcUaAxisInformation | OPC UA AxisInformation type
QOpcUaBinaryDataEncoding | Partial implementation of the OPC UA binary data encoding described in OPC-UA part 6
QOpcUaBrowsePathTarget | OPC UA BrowsePathTarget
QOpcUaBrowseRequest | Contains parameters for a call to the OPC UA browse service
QOpcUaComplexNumber | OPC UA ComplexNumber type
QOpcUaContentFilterElement | OPC UA ContentFilterElement
QOpcUaContentFilterElementResult | OPC UA ContentFilterElementResult
QOpcUaDataValue | This class stores OPC UA value data and associated metadata
QOpcUaDeleteReferenceItem | This class stores the necessary information to delete a reference from the server
QOpcUaDoubleComplexNumber | OPC UA DoubleComplexNumber type
QOpcUaEUInformation | OPC UA EURange type
QOpcUaElementOperand | OPC UA ElementOperand type
QOpcUaEndpointDescription | OPC UA EndpointDescription
QOpcUaErrorState | Allows investigation and interaction with error state from backends
QOpcUaEventFilterResult | OPCUA EventFilterResult
QOpcUaExpandedNodeId | OPC UA ExpandedNodeId
QOpcUaExtensionObject | OPC UA ExtensionObject
QOpcUaHistoryData | This class stores historical data values from a node
QOpcUaHistoryReadRawRequest | This class stores the necessary information to request historic data from a server
QOpcUaLiteralOperand | OPC UA LiteralOperand type
QOpcUaLocalizedText | OPC UA LocalizedText type
QOpcUaMonitoringParameters | Way to set and retrieve parameters for subscriptions and monitored items
QOpcUaMonitoringParameters::DataChangeFilter | Defines a DataChangeFilter for a monitored item
QOpcUaMonitoringParameters::EventFilter | Defines an EventFilter for a monitored item
QOpcUaMultiDimensionalArray | A container class for multidimensional arrays
QOpcUaNodeCreationAttributes | This class manages attribute values for node creation
QOpcUaPkiConfiguration | Defines the PKI configuration of the application
QOpcUaProvider | Creates an instance of QOpcUaClient
QOpcUaQualifiedName | OPC UA QualifiedName type
QOpcUaRange | OPC UA Range type
QOpcUaReadItem | This class stores the options for a read operation
QOpcUaReadResult | This class stores the result of a read operation
QOpcUaReferenceDescription | Contains information about a node
QOpcUaRelativePathElement | OPC UA RelativePathElement
QOpcUaSimpleAttributeOperand | OPC UA SimpleAttributeOperand type
QOpcUaUserTokenPolicy | OPC UA UserTokenPolicy
QOpcUaWriteItem | This class stores the options for a write operation
QOpcUaWriteResult | This class stores the result of a write operation
QOpcUaX509DistinguishedName | Information about a distinguished name item
QOpcUaX509Extension | Base class for all X509 extensions
QOpcUaX509ExtensionBasicConstraints | Class for X509 basic constraints
QOpcUaX509ExtensionExtendedKeyUsage | Class for X509 extended key usage
QOpcUaX509ExtensionKeyUsage | Class for X509 extended key usage
QOpcUaX509ExtensionSubjectAlternativeName | Class for an X509 subject alternative name
QOpcUaXValue | OPC UA XVType

## Detailed Description

For more information on the Qt OPC UA module, see the Qt OPC UA module documentation.