OPCDA.NET Reference Manual
DataChanged Event
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OpcDaNetUA.Net4 Assembly > OPCDA.NET Namespace > OpcGroup Class : DataChanged Event

Glossary Item Box

Is called from the server on data change events. AdviseIOPCDataCallback needs to be called to activate the callback handling. The client can install handlers to handle notifications of data changes and Refreshes.

Syntax

Visual Basic (Declaration) 
Public Event DataChanged As DataChangeEventHandler
C# 
public event DataChangeEventHandler DataChanged

Requirements

Target Platforms: Windows 7/8/10, Windows Server 2003/2008/2012/2016, .NET 4.x

See Also

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