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Reference

OpcQueryEventsCallback Delegate

Represents the method that will refresh / (re)evaluate any node specific conditions to determine pending / occurred events the inquirer should know about.

Reference

OpcQueryEventsCallback Delegate ​

Namespace
Opc.UaFx
Assembly
Opc.UaFx.Advanced.dll
Package
Opc.UaFx.Advanced v2.59.0

Represents the method that will refresh / (re)evaluate any node specific conditions to determine pending / occurred events the inquirer should know about.

Syntax ​

csharp
public delegate void OpcQueryEventsCallback(
    OpcNodeContext context,
    OpcEventCollection events)
vbnet
Public Delegate Sub OpcQueryEventsCallback(
    context As OpcNodeContext,
    events As OpcEventCollection)

Parameters ​

NameTypeDescription
contextOpcNodeContextThe OpcNodeContext to use to query the node events.
eventsOpcEventCollectionThe OpcEventCollection to use to store the result of the query.

Applies to ​

PackageVersions
Opc.UaFx.Advancedv2.5–v2.59