OPCDA.NET Reference Manual
DAReadComplete Delegate
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OpcDaNetUA.Net4 Assembly > OPCDA.NET.Controls Namespace : DAReadComplete Delegate

ex
Error information or null (Nothing)
rslt
Read Result. The DAItemValue object contains the read value including error information and item identification.
tag
User defined data passed in the Read call.

Glossary Item Box

DAGroup Read Complete event handler

Syntax

Visual Basic (Declaration) 
Public Delegate Sub DAReadComplete( _
   ByVal ex As BGException, _
   ByVal rslt() As DAItemValue, _
   ByVal tag As Object _
) 
C# 
public delegate void DAReadComplete( 
   BGException ex,
   DAItemValue[] rslt,
   object tag
)

Parameters

ex
Error information or null (Nothing)
rslt
Read Result. The DAItemValue object contains the read value including error information and item identification.
tag
User defined data passed in the Read call.

Requirements

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

See Also

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