OPCDA.NET Reference Manual
SetItemBufferEnable Method
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OpcDaNetUA.Net4 Assembly > OPCDA.NET Namespace > OpcGroup Class : SetItemBufferEnable Method

handles
Array of Server items handles.
enableState
An array of booleans to set the state of the buffering mechanism within the server. True is requesting that the server buffers data for the corresponding item, while false indicates the server should not buffer the data.
errors

Glossary Item Box

Requests that the server turns on or off, depending on the value of the enableState parameter, the buffering of data for the identified items, which are collected for items that have an update rate faster than the group update rate. ( Available in OPC DA V3 servers only ).

Syntax

Visual Basic (Declaration) 
Public Function SetItemBufferEnable( _
   ByVal handles() As Integer, _
   ByVal enableState() As Boolean, _
   ByRef errors As Integer() _
) As Integer
C# 
public int SetItemBufferEnable( 
   int[] handles,
   bool[] enableState,
   out int[] errors
)

Parameters

handles
Array of Server items handles.
enableState
An array of booleans to set the state of the buffering mechanism within the server. True is requesting that the server buffers data for the corresponding item, while false indicates the server should not buffer the data.
errors

Return Value

HRESULT success/error code

Requirements

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

See Also

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