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

ex
null (Nothing) except when an error occured in the handling of the request. On error the other paramters are invalid, except for the tag parameter.
props
Item property information for the requested property IDs.
tag
null (Nothing) or an object passed from the request call. The application can pass an object with any kind of information from the request module to the completion handler.

Glossary Item Box

BGServer.BGSrvGetProperties completion notification. The selected properties of set of items is returned.

Syntax

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

Parameters

ex
null (Nothing) except when an error occured in the handling of the request. On error the other paramters are invalid, except for the tag parameter.
props
Item property information for the requested property IDs.
tag
null (Nothing) or an object passed from the request call. The application can pass an object with any kind of information from the request module to the completion handler.

Requirements

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

See Also

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