OPC Historian .NET Server Toolkit Reference
Aggregate Field

I_HDAPluginNet4 Assembly > I_HDAPlugin Namespace > OPCHDAItem Class : Aggregate Field
The aggregate which was applied to retrieve the data. For the ReadRaw and ReadAtTime, this should be OPCHDA_NOAGGREGATE.
Syntax
'Usage
 
Dim instance As OPCHDAItem
Dim value As Integer
 
value = instance.Aggregate
 
instance.Aggregate = value
public int Aggregate
Requirements

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

See Also

Reference

OPCHDAItem Class
OPCHDAItem Members

 

 

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