OPCDA.NET Reference Manual
UserCallbackHandler Property
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OpcDaNetUA.Net4 Assembly > OPCDA.NET Namespace > OpcDataBind Class : UserCallbackHandler Property

Glossary Item Box

This handler is called at the beginning of the handling of server callback with changed values. The handler should return TRUE if the item value has been processed or return FALSE to have the DataBind standard handlers to process the item value.

Syntax

Visual Basic (Declaration) 
Public Property UserCallbackHandler As DataBindCallbackUserHandler
C# 
public DataBindCallbackUserHandler UserCallbackHandler {get; set;}

Requirements

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

See Also

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