OpcAddVariableNode Members

Initializes a new instance of the OpcAddVariableNode class using the specified typeDefinitionId of variable node to add, which shall be accessible by the name defined. The according OpcNodeId to identify and access the new node is determined by the service. The new node will be a child of the ObjectsFolder node using HasComponent as the type of reference.

C#

protected OpcAddVariableNode(OpcNodeId typeDefinitionId, OpcName name)

Parameters

typeDefinitionId OpcNodeId

The OpcNodeId which identifies the type of object to use for the new node.

name OpcName

The OpcName through that the new variable node can be accessed.

Exceptions

ArgumentException

The typeDefinitionId is equals Null or name is equals Null.

ArgumentNullException

The typeDefinitionId or name is a null reference (Nothing in Visual Basic).

Initializes a new instance of the OpcAddVariableNode class using the specified typeDefinitionId of variable node to add, which shall be accessible by the name defined. The according OpcNodeId to identify and access the new node is determined by the service. The new node will be a child of the ObjectsFolder node using HasComponent as the type of reference.

C#

protected OpcAddVariableNode(OpcNodeId typeDefinitionId, OpcName name, object value)

Parameters

typeDefinitionId OpcNodeId

The OpcNodeId which identifies the type of object to use for the new node.

name OpcName

The OpcName through that the new variable node can be accessed.

value Object

The initial value of the new variable node.

Exceptions

ArgumentException

The typeDefinitionId is equals Null or name is equals Null.

ArgumentNullException

The typeDefinitionId or name is a null reference (Nothing in Visual Basic).

Initializes a new instance of the OpcAddVariableNode class using the specified typeDefinitionId of variable node to add, which shall be accessible by the name and nodeId defined. The new node will be a child of the ObjectsFolder node using HasComponent as the type of reference.

C#

protected OpcAddVariableNode(OpcNodeId typeDefinitionId, OpcName name, OpcNodeId nodeId)

Parameters

typeDefinitionId OpcNodeId

The OpcNodeId which identifies the type of object to use for the new node.

name OpcName

The OpcName through that the new variable node can be accessed.

nodeId OpcNodeId

The OpcNodeId through that the new node can be identified and accessed. In case there Null is specified the server will determine the according OpcNodeId by its own.

Exceptions

ArgumentException

The typeDefinitionId is equals Null or name is equals Null.

ArgumentNullException

The typeDefinitionId, name or nodeId is a null reference (Nothing in Visual Basic).

Initializes a new instance of the OpcAddVariableNode class using the specified typeDefinitionId of variable node to add, which shall be accessible by the name and nodeId defined. The new node will be a child of the ObjectsFolder node using HasComponent as the type of reference.

C#

protected OpcAddVariableNode(OpcNodeId typeDefinitionId, OpcName name, OpcNodeId nodeId, object value)

Parameters

typeDefinitionId OpcNodeId

The OpcNodeId which identifies the type of object to use for the new node.

name OpcName

The OpcName through that the new variable node can be accessed.

nodeId OpcNodeId

The OpcNodeId through that the new node can be identified and accessed. In case there Null is specified the server will determine the according OpcNodeId by its own.

value Object

The initial value of the new variable node.

Exceptions

ArgumentException

The typeDefinitionId is equals Null or name is equals Null.

ArgumentNullException

The typeDefinitionId, name or nodeId is a null reference (Nothing in Visual Basic).

Initializes a new instance of the OpcAddVariableNode class using the specified typeDefinitionId of variable node to add, which shall be accessible by the name and nodeId defined. The new node will be a child of the node identified by parentNodeId using HasComponent as the type of reference.

C#

protected OpcAddVariableNode(OpcNodeId typeDefinitionId, OpcName name, OpcNodeId nodeId, OpcNodeId parentNodeId)

Parameters

typeDefinitionId OpcNodeId

The OpcNodeId which identifies the type of object to use for the new node.

name OpcName

The OpcName through that the new variable node can be accessed.

nodeId OpcNodeId

The OpcNodeId through that the new node can be identified and accessed. In case there Null is specified the server will determine the according OpcNodeId by its own.

parentNodeId OpcNodeId

The OpcNodeId of the parent node to reference using HasComponent as the type of reference.

Exceptions

ArgumentException

The typeDefinitionId is equals Null or parentNodeId is equals Null or name is equals Null.

ArgumentNullException

The typeDefinitionId, name, nodeId or parentNodeId is a null reference (Nothing in Visual Basic).

Initializes a new instance of the OpcAddVariableNode class using the specified typeDefinitionId of variable node to add, which shall be accessible by the name and nodeId defined. The new node will be a child of the node identified by parentNodeId using HasComponent as the type of reference.

C#

protected OpcAddVariableNode(OpcNodeId typeDefinitionId, OpcName name, OpcNodeId nodeId, OpcNodeId parentNodeId, object value)

Parameters

typeDefinitionId OpcNodeId

The OpcNodeId which identifies the type of object to use for the new node.

name OpcName

The OpcName through that the new variable node can be accessed.

nodeId OpcNodeId

The OpcNodeId through that the new node can be identified and accessed. In case there Null is specified the server will determine the according OpcNodeId by its own.

parentNodeId OpcNodeId

The OpcNodeId of the parent node to reference using HasComponent as the type of reference.

value Object

The initial value of the new variable node.

Exceptions

ArgumentException

The typeDefinitionId is equals Null or parentNodeId is equals Null or name is equals Null.

ArgumentNullException

The typeDefinitionId, name, nodeId or parentNodeId is a null reference (Nothing in Visual Basic).

Initializes a new instance of the OpcAddVariableNode class using the specified typeDefinitionId of variable node to add, which shall be accessible by the name and nodeId defined. The new node will be a child of the node identified by parentNodeId using the type of reference identified by the referenceTypeId specified.

C#

protected OpcAddVariableNode(OpcNodeId typeDefinitionId, OpcName name, OpcNodeId nodeId, OpcNodeId parentNodeId, OpcNodeId referenceTypeId)

Parameters

typeDefinitionId OpcNodeId

The OpcNodeId which identifies the type of object to use for the new node.

name OpcName

The OpcName through that the new variable node can be accessed.

nodeId OpcNodeId

The OpcNodeId through that the new node can be identified and accessed. In case there Null is specified the server will determine the according OpcNodeId by its own.

parentNodeId OpcNodeId

The OpcNodeId of the parent node to reference using the type of reference identified by referenceTypeId.

referenceTypeId OpcNodeId

The OpcNodeId which identifies the type of reference to use for the new node and the existing parent node identified by parentNodeId.

Exceptions

ArgumentException

The typeDefinitionId is equals Null or parentNodeId or referenceTypeId is equals Null or name is equals Null.

ArgumentNullException

The typeDefinitionId, name, nodeId, parentNodeId or referenceTypeId is a null reference (Nothing in Visual Basic).

Initializes a new instance of the OpcAddVariableNode class using the specified typeDefinitionId of variable node to add, which shall be accessible by the name and nodeId defined. The new node will be a child of the node identified by parentNodeId using the type of reference identified by the referenceTypeId specified.

C#

protected OpcAddVariableNode(OpcNodeId typeDefinitionId, OpcName name, OpcNodeId nodeId, OpcNodeId parentNodeId, OpcNodeId referenceTypeId, object value)

Parameters

typeDefinitionId OpcNodeId

The OpcNodeId which identifies the type of object to use for the new node.

name OpcName

The OpcName through that the new variable node can be accessed.

nodeId OpcNodeId

The OpcNodeId through that the new node can be identified and accessed. In case there Null is specified the server will determine the according OpcNodeId by its own.

parentNodeId OpcNodeId

The OpcNodeId of the parent node to reference using the type of reference identified by referenceTypeId.

referenceTypeId OpcNodeId

The OpcNodeId which identifies the type of reference to use for the new node and the existing parent node identified by parentNodeId.

value Object

The initial value of the new variable node.

Exceptions

ArgumentException

The typeDefinitionId is equals Null or parentNodeId or referenceTypeId is equals Null or name is equals Null.

ArgumentNullException

The typeDefinitionId, name, nodeId, parentNodeId or referenceTypeId is a null reference (Nothing in Visual Basic).

Initializes a new instance of the OpcAddVariableNode class using the specified typeDefinitionId of variable node to add, which shall be accessible by the name and nodeId defined. The new node will be a child of the node identified by parentNodeId using the referenceType specified as the type of reference.

C#

protected OpcAddVariableNode(OpcNodeId typeDefinitionId, OpcName name, OpcNodeId nodeId, OpcNodeId parentNodeId, OpcReferenceType referenceType)

Parameters

typeDefinitionId OpcNodeId

The OpcNodeId which identifies the type of object to use for the new node.

name OpcName

The OpcName through that the new variable node can be accessed.

nodeId OpcNodeId

The OpcNodeId through that the new node can be identified and accessed. In case there Null is specified the server will determine the according OpcNodeId by its own.

parentNodeId OpcNodeId

The OpcNodeId of the parent node to reference using HasComponent as the type of reference.

referenceType OpcReferenceType

One of the members defined by the OpcReferenceType enumeration to use to setup the reference between the new node and the existing parent node identified by parentNodeId.

Exceptions

ArgumentException

The typeDefinitionId is equals Null or parentNodeId is equals Null or name is equals Null.

ArgumentNullException

The typeDefinitionId, name, nodeId or parentNodeId is a null reference (Nothing in Visual Basic).

Initializes a new instance of the OpcAddVariableNode class using the specified typeDefinitionId of variable node to add, which shall be accessible by the name and nodeId defined. The new node will be a child of the node identified by parentNodeId using the referenceType specified as the type of reference.

C#

protected OpcAddVariableNode(OpcNodeId typeDefinitionId, OpcName name, OpcNodeId nodeId, OpcNodeId parentNodeId, OpcReferenceType referenceType, object value)

Parameters

typeDefinitionId OpcNodeId

The OpcNodeId which identifies the type of object to use for the new node.

name OpcName

The OpcName through that the new variable node can be accessed.

nodeId OpcNodeId

The OpcNodeId through that the new node can be identified and accessed. In case there Null is specified the server will determine the according OpcNodeId by its own.

parentNodeId OpcNodeId

The OpcNodeId of the parent node to reference using HasComponent as the type of reference.

referenceType OpcReferenceType

One of the members defined by the OpcReferenceType enumeration to use to setup the reference between the new node and the existing parent node identified by parentNodeId.

value Object

The initial value of the new variable node.

Exceptions

ArgumentException

The typeDefinitionId is equals Null or parentNodeId is equals Null or name is equals Null.

ArgumentNullException

The typeDefinitionId, name, nodeId or parentNodeId is a null reference (Nothing in Visual Basic).

Initializes a new instance of the OpcAddVariableNode class using the specified type of variable node to add, which shall be accessible by the name defined. The according OpcNodeId to identify and access the new node is determined by the service. The new node will be a child of the ObjectsFolder node using HasComponent as the type of reference.

C#

protected OpcAddVariableNode(OpcVariableType type, OpcName name)

Parameters

type OpcVariableType

One of the members defined by the OpcVariableType enumeration which identifies the predefined underlying type definition the new node will represent an instance of.

name OpcName

The OpcName through that the new variable node can be accessed.

Exceptions

ArgumentException

The name is equals Null.

ArgumentNullException

The name is a null reference (Nothing in Visual Basic).

Initializes a new instance of the OpcAddVariableNode class using the specified type of variable node to add, which shall be accessible by the name defined. The according OpcNodeId to identify and access the new node is determined by the service. The new node will be a child of the ObjectsFolder node using HasComponent as the type of reference.

C#

protected OpcAddVariableNode(OpcVariableType type, OpcName name, object value)

Parameters

type OpcVariableType

One of the members defined by the OpcVariableType enumeration which identifies the predefined underlying type definition the new node will represent an instance of.

name OpcName

The OpcName through that the new variable node can be accessed.

value Object

The initial value of the new variable node.

Exceptions

ArgumentException

The name is equals Null.

ArgumentNullException

The name is a null reference (Nothing in Visual Basic).

Initializes a new instance of the OpcAddVariableNode class using the specified type of variable node to add, which shall be accessible by the name and nodeId defined. The new node will be a child of the ObjectsFolder node using HasComponent as the type of reference.

C#

protected OpcAddVariableNode(OpcVariableType type, OpcName name, OpcNodeId nodeId)

Parameters

type OpcVariableType

One of the members defined by the OpcVariableType enumeration which identifies the predefined underlying type definition the new node will represent an instance of.

name OpcName

The OpcName through that the new variable node can be accessed.

nodeId OpcNodeId

The OpcNodeId through that the new node can be identified and accessed. In case there Null is specified the server will determine the according OpcNodeId by its own.

Exceptions

ArgumentException

The name is equals Null.

ArgumentNullException

The name or nodeId is a null reference (Nothing in Visual Basic).

Initializes a new instance of the OpcAddVariableNode class using the specified type of variable node to add, which shall be accessible by the name and nodeId defined. The new node will be a child of the ObjectsFolder node using HasComponent as the type of reference.

C#

protected OpcAddVariableNode(OpcVariableType type, OpcName name, OpcNodeId nodeId, object value)

Parameters

type OpcVariableType

One of the members defined by the OpcVariableType enumeration which identifies the predefined underlying type definition the new node will represent an instance of.

name OpcName

The OpcName through that the new variable node can be accessed.

nodeId OpcNodeId

The OpcNodeId through that the new node can be identified and accessed. In case there Null is specified the server will determine the according OpcNodeId by its own.

value Object

The initial value of the new variable node.

Exceptions

ArgumentException

The name is equals Null.

ArgumentNullException

The name or nodeId is a null reference (Nothing in Visual Basic).

Initializes a new instance of the OpcAddVariableNode class using the specified type of variable node to add, which shall be accessible by the name and nodeId defined. The new node will be a child of the node identified by parentNodeId using HasComponent as the type of reference.

C#

protected OpcAddVariableNode(OpcVariableType type, OpcName name, OpcNodeId nodeId, OpcNodeId parentNodeId)

Parameters

type OpcVariableType

One of the members defined by the OpcVariableType enumeration which identifies the predefined underlying type definition the new node will represent an instance of.

name OpcName

The OpcName through that the new variable node can be accessed.

nodeId OpcNodeId

The OpcNodeId through that the new node can be identified and accessed. In case there Null is specified the server will determine the according OpcNodeId by its own.

parentNodeId OpcNodeId

The OpcNodeId of the parent node to reference using HasComponent as the type of reference.

Exceptions

ArgumentException

The parentNodeId is equals Null or name is equals Null.

ArgumentNullException

The name, nodeId or parentNodeId is a null reference (Nothing in Visual Basic).

Initializes a new instance of the OpcAddVariableNode class using the specified type of variable node to add, which shall be accessible by the name and nodeId defined. The new node will be a child of the node identified by parentNodeId using HasComponent as the type of reference.

C#

protected OpcAddVariableNode(OpcVariableType type, OpcName name, OpcNodeId nodeId, OpcNodeId parentNodeId, object value)

Parameters

type OpcVariableType

One of the members defined by the OpcVariableType enumeration which identifies the predefined underlying type definition the new node will represent an instance of.

name OpcName

The OpcName through that the new variable node can be accessed.

nodeId OpcNodeId

The OpcNodeId through that the new node can be identified and accessed. In case there Null is specified the server will determine the according OpcNodeId by its own.

parentNodeId OpcNodeId

The OpcNodeId of the parent node to reference using HasComponent as the type of reference.

value Object

The initial value of the new variable node.

Exceptions

ArgumentException

The parentNodeId is equals Null or name is equals Null.

ArgumentNullException

The name, nodeId or parentNodeId is a null reference (Nothing in Visual Basic).

Initializes a new instance of the OpcAddVariableNode class using the specified type of variable node to add, which shall be accessible by the name and nodeId defined. The new node will be a child of the node identified by parentNodeId using the type of reference identified by the referenceTypeId specified.

C#

protected OpcAddVariableNode(OpcVariableType type, OpcName name, OpcNodeId nodeId, OpcNodeId parentNodeId, OpcNodeId referenceTypeId)

Parameters

type OpcVariableType

One of the members defined by the OpcVariableType enumeration which identifies the predefined underlying type definition the new node will represent an instance of.

name OpcName

The OpcName through that the new variable node can be accessed.

nodeId OpcNodeId

The OpcNodeId through that the new node can be identified and accessed. In case there Null is specified the server will determine the according OpcNodeId by its own.

parentNodeId OpcNodeId

The OpcNodeId of the parent node to reference using the type of reference identified by referenceTypeId.

referenceTypeId OpcNodeId

The OpcNodeId which identifies the type of reference to use for the new node and the existing parent node identified by parentNodeId.

Exceptions

ArgumentException

The parentNodeId or referenceTypeId is equals Null or name is equals Null.

ArgumentNullException

The name, nodeId, parentNodeId or referenceTypeId is a null reference (Nothing in Visual Basic).

Initializes a new instance of the OpcAddVariableNode class using the specified type of variable node to add, which shall be accessible by the name and nodeId defined. The new node will be a child of the node identified by parentNodeId using the type of reference identified by the referenceTypeId specified.

C#

protected OpcAddVariableNode(OpcVariableType type, OpcName name, OpcNodeId nodeId, OpcNodeId parentNodeId, OpcNodeId referenceTypeId, object value)

Parameters

type OpcVariableType

One of the members defined by the OpcVariableType enumeration which identifies the predefined underlying type definition the new node will represent an instance of.

name OpcName

The OpcName through that the new variable node can be accessed.

nodeId OpcNodeId

The OpcNodeId through that the new node can be identified and accessed. In case there Null is specified the server will determine the according OpcNodeId by its own.

parentNodeId OpcNodeId

The OpcNodeId of the parent node to reference using the type of reference identified by referenceTypeId.

referenceTypeId OpcNodeId

The OpcNodeId which identifies the type of reference to use for the new node and the existing parent node identified by parentNodeId.

value Object

The initial value of the new variable node.

Exceptions

ArgumentException

The parentNodeId or referenceTypeId is equals Null or name is equals Null.

ArgumentNullException

The name, nodeId, parentNodeId or referenceTypeId is a null reference (Nothing in Visual Basic).

Initializes a new instance of the OpcAddVariableNode class using the specified type of variable node to add, which shall be accessible by the name and nodeId defined. The new node will be a child of the node identified by parentNodeId using the referenceType specified as the type of reference.

C#

protected OpcAddVariableNode(OpcVariableType type, OpcName name, OpcNodeId nodeId, OpcNodeId parentNodeId, OpcReferenceType referenceType)

Parameters

type OpcVariableType

One of the members defined by the OpcVariableType enumeration which identifies the predefined underlying type definition the new node will represent an instance of.

name OpcName

The OpcName through that the new variable node can be accessed.

nodeId OpcNodeId

The OpcNodeId through that the new node can be identified and accessed. In case there Null is specified the server will determine the according OpcNodeId by its own.

parentNodeId OpcNodeId

The OpcNodeId of the parent node to reference using HasComponent as the type of reference.

referenceType OpcReferenceType

One of the members defined by the OpcReferenceType enumeration to use to setup the reference between the new node and the existing parent node identified by parentNodeId.

Exceptions

ArgumentException

The parentNodeId is equals Null or name is equals Null.

ArgumentNullException

The name, nodeId or parentNodeId is a null reference (Nothing in Visual Basic).

Initializes a new instance of the OpcAddVariableNode class using the specified type of variable node to add, which shall be accessible by the name and nodeId defined. The new node will be a child of the node identified by parentNodeId using the referenceType specified as the type of reference.

C#

protected OpcAddVariableNode(OpcVariableType type, OpcName name, OpcNodeId nodeId, OpcNodeId parentNodeId, OpcReferenceType referenceType, object value)

Parameters

type OpcVariableType

One of the members defined by the OpcVariableType enumeration which identifies the predefined underlying type definition the new node will represent an instance of.

name OpcName

The OpcName through that the new variable node can be accessed.

nodeId OpcNodeId

The OpcNodeId through that the new node can be identified and accessed. In case there Null is specified the server will determine the according OpcNodeId by its own.

parentNodeId OpcNodeId

The OpcNodeId of the parent node to reference using HasComponent as the type of reference.

referenceType OpcReferenceType

One of the members defined by the OpcReferenceType enumeration to use to setup the reference between the new node and the existing parent node identified by parentNodeId.

value Object

The initial value of the new variable node.

Exceptions

ArgumentException

The parentNodeId is equals Null or name is equals Null.

ArgumentNullException

The name, nodeId or parentNodeId is a null reference (Nothing in Visual Basic).

Gets or sets a value which indicates in which ways the Value attribute of the variable node can be accessed (read/write) and if it provides current and/or historic data.

C#

public OpcAccessLevel? AccessLevel { get; set; }

Property Value

Nullable<OpcAccessLevel>

One of the members defined by the OpcAccessLevel enumeration if specified; otherwise a null reference (Nothing in Visual Basic). In case of a null reference (Nothing in Visual Basic) the server defined default value of the attribute is used.

Gets the number/lengths of dimensions for an array Value with one or more fixed dimensions.

C#

public OpcArrayDimensions ArrayDimensions { get; set; }

Property Value

OpcArrayDimensions

An instance of the OpcArrayDimensions class which offers the number/lengths of dimensions for an array Value.

Remarks

If the ValueRank does not identify an array of a specific dimension (i.e. ValueRank ⇐ 0) ArrayDimensions can be a null reference (Nothing in Visual Basic). In case of a null reference (Nothing in Visual Basic) the server defined default value of the attribute is used.

Gets or sets a value which defines a pre-defined used DataTypeId as one of the members defined by the OpcDataType enumeration to simplify querying standard data types. A null reference (Nothing in Visual Basic) indicates that the attribute is undefined and its default value is used.

C#

public virtual OpcDataType? DataType { get; set; }

Property Value

Nullable<OpcDataType>

One of the members defined by the OpcDataType enumeration.

Gets or stets the identifier which identifies the node that defines the type of data represented by the variable node. A null reference (Nothing in Visual Basic) indicates that the attribute is undefined and its default value is used.

C#

public OpcNodeId DataTypeId { get; set; }

Property Value

OpcNodeId

The OpcNodeId of the data type node which defines the type of data represented by the variable node. These data type node defines either a simple or a complex type of data accessible by the Value property.

Gets or sets a value indicating whether the server is actively collecting data for the history of the variable.

C#

public bool? IsHistorizing { get; set; }

Property Value

Nullable<Boolean>

The value true if the server is actively collecting data; otherwise the value false (the default value) or a null reference (Nothing in Visual Basic). In case of a null reference (Nothing in Visual Basic) the server defined default value of the attribute is used.

Gets value indicating the predefined underlying type definition the new node will represent an instance of.

C#

public OpcVariableType Type { get; }

Property Value

OpcVariableType

One of the members defined by the OpcVariableType enumeration or -1 in case of a custom type definition is used (see TypeDefinitionId).

Gets or sets a value which indicates in which ways the Value attribute of the variable node can be accessed (read/write) and if it provides current and/or historic data taking user access rights into account.

C#

public OpcAccessLevel? UserAccessLevel { get; set; }

Property Value

Nullable<OpcAccessLevel>

One of the members defined by the OpcAccessLevel enumeration if specified; otherwise a null reference (Nothing in Visual Basic). In case of a null reference (Nothing in Visual Basic) the server defined default value of the attribute is used.

Gets or sets the value of the variable node which may be simple or complex. A null reference (Nothing in Visual Basic) indicates that the attribute is undefined and its default value is used.

C#

public object Value { get; set; }

Property Value

Object

A Object representing the value of the variable node.

Gets or sets a value which indicates whether the value attribute of the variable is an array and how many dimensions the array has.

C#

public int? ValueRank { get; set; }

Property Value

Nullable<Int32>

One of the values defined by the ValueRanks class or a null reference (Nothing in Visual Basic). In case of a null reference (Nothing in Visual Basic) the server defined default value of the attribute is used.

Retrieves an instance which represents the definition of a variable type that can be used to define OpcAddVariableNode command instances using the type of variable node represented by the TypeDefinition instance provided.

C#

public static OpcAddVariableNode.TypeDefinition OfType(OpcNodeId typeDefinitionId)

Parameters

typeDefinitionId OpcNodeId

The OpcNodeId of the type definition to provide.

Returns

TypeDefinition

A new instance of the TypeDefinition class which can be used to define typed OpcAddVariableNode command instances.

Exceptions

ArgumentException

The typeDefinitionId is equals Null.

ArgumentNullException

The typeDefinitionId is a null reference (Nothing in Visual Basic).