Reference

OpcConditionNode Class

Namespace

Opc.UaFx

Assembly

Opc.UaFx.Advanced.dll

Package

Opc.UaFx.Advanced v2.59.0

Members

OpcConditionNode Members

Defines all general characteristics of a condition.

Syntax

[OpcEventType(typeof(OpcCondition))]
[OpcNodeType(2782)]
public class OpcConditionNode : OpcEventNode

<OpcEventType(GetType(OpcCondition))>
<OpcNodeType(2782)>
Public Class OpcConditionNode
    Inherits OpcEventNode

Inheritance

Object → OpcNode → OpcInstanceNode → OpcObjectNode → OpcEventNode → OpcConditionNode

Implements

• IOpcNode
• IOpcNodeInfo

Derived types

• OpcAcknowledgeableConditionNode
• OpcDialogConditionNode

Remarks

Events of this type cause at least an event notification in case one of the following properties will change: Quality, Severity and Comment.

Constructors

Name	Description
OpcConditionNode10 overloads	Initializes a new instance of the OpcConditionNode class accessible by the name specified.

Properties

Name	Description
AddCommentCallback	Gets or sets a callback used to add a comment to the condition node.
AddCommentNode	Gets the OpcAddCommentMethodNode used to handle 'AddComment' method calls to add a comment to the condition node.
AutoReportChanges	Gets or sets a value indicating whether the OpcConditionNode will automatically report an event when a change method call completes.
BranchId	Gets or sets an identifier which identifies the branch to that the event does belong.
BranchIdNode	Gets the OpcNodeIdPropertyNode of the BranchId property.
ClientUserId	Gets or sets an identifier that is related to the Comment and contains the identity of the user who inserted the most recent Comment.
ClientUserIdNode	Gets the OpcPropertyNode<T> of the ClientUserId property.
Comment	Gets or sets the last comment provided for a certain state (condition branch).
CommentNode	Gets the OpcTextConditionVariableNode of the Comment property.
ConditionClassId	Gets or sets a value which specifies in which domain this condition is used.
ConditionClassIdNode	Gets the OpcNodeIdPropertyNode of the ConditionClassId property.
ConditionClassName	Gets or sets a value that matches the display name of the condition class type.
ConditionClassNameNode	Gets the OpcTextPropertyNode of the ConditionClassName property.
ConditionName	Gets or sets a value which identifies the condition instance that the event originated from.
ConditionNameNode	Gets the OpcPropertyNode<T> of the ConditionName property.
DefaultTypeDefinitionIdprotected · override	Gets the default identifier which identifies the node that defines the underlying node type from that this OpcInstanceNode has been created.
DisableCallback	Gets or sets a callback used to disable the condition node.
DisableNode	Gets the OpcActionMethodNode used to handle 'Disable' method calls to disable the condition.
EnableCallback	Gets or sets a callback used to enable the condition node.
EnableNode	Gets the OpcActionMethodNode used to handle 'Enable' method calls to enable the condition.
IsEnabled	Gets a value indicating whether the condition is enabled.
IsEnabledNode	Gets the OpcTwoStateVariableNode of the IsEnabled property.
IsRetained	Gets or sets a value indicating whether the condition is in a state that is interesting for a client wishing to synchronize its state with the server's state.
IsRetainedNode	Gets the OpcPropertyNode<T> of the IsRetained property.
IsRetainedPolicysince v2.55	Gets or sets the evaluation policy that controls the lifecycle of the IsRetained property for this OpcConditionNode.
LastSeverity	Gets or sets a value which provides the previous severity of the condition branch.
LastSeverityNode	Gets the OpcConditionVariableNode<T> of the LastSeverity property.
Quality	Gets or sets a value which reveals the status of process values or other resources that this condition is based upon.
QualityNode	Gets the OpcStatusConditionVariableNode of the Quality property.

Methods

Name	Description
AddComment2 overloads	Applies a comment to the state reported by an event notification which can be identified by the EventId using the specified context.
AddCommentCoreprotected · virtual	Applies the comment to the state of the condition node.
CreateBranch2 overloads	Creates a new instance of the OpcConditionNode class which can be used to maintain branched event information.
CreateBranchCoreprotected · virtual	Creates a new instance of the OpcConditionNode using the same Id and Name as this node.
Disable	Changes the condition state to 'Disabled' using the specified context.
DisableCoreprotected · virtual	Disables the condition node.
Enable	Changes the condition state to 'Enabled' using the specified context.
EnableCoreprotected · virtual	Enables the condition node.
InitializeDefaultsprotected · override	Initializes the default values used by the OpcConditionNode.

Inherits members from OpcEventNode, OpcObjectNode, OpcInstanceNode, OpcNode.

Extension methods

Name	Description
OpcConditionNodeExtension.AddComment	Applies a comment to the state reported by an event notification which can be identified by the EventId of the conditionNode specified using the further specified client.
OpcConditionNodeExtension.ChangeComment	Changes the condition 'Comment' state of the conditionNode specified using the further specified context without raising change events.
OpcConditionNodeExtension.ChangeIsEnabled	Changes the condition 'Enabled' state of the conditionNode specified using the further specified context without raising change events.
OpcConditionNodeExtension.ChangeSeverity	Changes the condition 'Severity' of the conditionNode specified using the further specified context without raising change events.
OpcConditionNodeExtension.Disable	Changes the condition state to 'Disabled' of the conditionNode specified using the further specified client.
OpcConditionNodeExtension.Enable	Changes the condition state to 'Enabled' of the conditionNode specified using the further specified client.

Applies to

Package	Versions
Opc.UaFx.Advanced	v2.5–v2.59