Reference

OpcEventFilter Members

Type

OpcEventFilter

Namespace

Opc.UaFx

Assembly

Opc.UaFx.Advanced.dll

Package

Opc.UaFx.Advanced v2.59.0

Also in

Opc.UaFx.Client

Constructors

OpcEventFilter

4 overloads

Overload	Description
OpcEventFilter(params OpcSimpleAttributeOperand[])	Initializes a new instance of the OpcEventFilter class using the specified selectClauses and a where clause which does not restrict the events.
OpcEventFilter(IEnumerable<OpcSimpleAttributeOperand>)	Initializes a new instance of the OpcEventFilter class using the specified selectClauses and a where clause which does not restrict the events.
OpcEventFilter(OpcContentFilter, params OpcSimpleAttributeOperand[])	Initializes a new instance of the OpcEventFilter class using the specified whereClause and selectClauses.
OpcEventFilter(OpcContentFilter, IEnumerable<OpcSimpleAttributeOperand>)	Initializes a new instance of the OpcEventFilter class using the specified whereClause and selectClauses.

OpcEventFilter(params OpcSimpleAttributeOperand[])

Initializes a new instance of the OpcEventFilter class using the specified selectClauses and a where clause which does not restrict the events.

public OpcEventFilter(params OpcSimpleAttributeOperand[] selectClauses)

Public Sub New(ParamArray selectClauses As OpcSimpleAttributeOperand())

Parameters

Name	Type	Description
selectClauses	params OpcSimpleAttributeOperand[]	The operands which select the fields to report of each event.

Exceptions

Exception	Condition
ArgumentNullException	The selectClauses or one of its elements is a null reference (Nothing in Visual Basic).

OpcEventFilter(IEnumerable<OpcSimpleAttributeOperand>)

Initializes a new instance of the OpcEventFilter class using the specified selectClauses and a where clause which does not restrict the events.

public OpcEventFilter(IEnumerable<OpcSimpleAttributeOperand> selectClauses)

Public Sub New(selectClauses As IEnumerable(Of OpcSimpleAttributeOperand))

Parameters

Name	Type	Description
selectClauses	IEnumerable<OpcSimpleAttributeOperand>	The operands which select the fields to report of each event.

Exceptions

Exception	Condition
ArgumentNullException	The selectClauses or one of its elements is a null reference (Nothing in Visual Basic).

OpcEventFilter(OpcContentFilter, params OpcSimpleAttributeOperand[])

Initializes a new instance of the OpcEventFilter class using the specified whereClause and selectClauses.

public OpcEventFilter(
    OpcContentFilter whereClause,
    params OpcSimpleAttributeOperand[] selectClauses)

Public Sub New(
    whereClause As OpcContentFilter,
    ParamArray selectClauses As OpcSimpleAttributeOperand())

Parameters

Name	Type	Description
whereClause	OpcContentFilter	The OpcContentFilter which defines the events to report.
selectClauses	params OpcSimpleAttributeOperand[]	The operands which select the fields to report of each event.

Exceptions

Exception	Condition
ArgumentNullException	The whereClause, the selectClauses or one of its elements is a null reference (Nothing in Visual Basic).

OpcEventFilter(OpcContentFilter, IEnumerable<OpcSimpleAttributeOperand>)

Initializes a new instance of the OpcEventFilter class using the specified whereClause and selectClauses.

public OpcEventFilter(
    OpcContentFilter whereClause,
    IEnumerable<OpcSimpleAttributeOperand> selectClauses)

Public Sub New(
    whereClause As OpcContentFilter,
    selectClauses As IEnumerable(Of OpcSimpleAttributeOperand))

Parameters

Name	Type	Description
whereClause	OpcContentFilter	The OpcContentFilter which defines the events to report.
selectClauses	IEnumerable<OpcSimpleAttributeOperand>	The operands which select the fields to report of each event.

Exceptions

Exception	Condition
ArgumentNullException	The whereClause, the selectClauses or one of its elements is a null reference (Nothing in Visual Basic).

Properties

SelectClause

Gets the operands which select the fields to report of each event.

public OpcSimpleAttributeOperandReadOnlyCollection SelectClause { get; }

Public ReadOnly Property SelectClause As OpcSimpleAttributeOperandReadOnlyCollection

Property value

OpcSimpleAttributeOperandReadOnlyCollection

A read-only collection of the OpcSimpleAttributeOperand instances in the order of the fields reported.

WhereClause

Gets the filter which defines the events to report.

public OpcContentFilter WhereClause { get; }

Public ReadOnly Property WhereClause As OpcContentFilter

Property value

OpcContentFilter

The OpcContentFilter which an event has to match to be reported.