OPC Historian .NET Server Toolkit Reference
QueueReadAttributes Method

The async ReadModified call is queued for handling and callback It must check if the server handles are OK and return errors for items that cannot be handled.
Syntax
'Usage
 
Dim instance As AppPlugin
Dim transactionID As Integer
Dim startTime As Date
Dim endTime As Date
Dim serverHandle As Integer
Dim attributeIDs() As Integer
Dim cancelID As Integer
Dim errors As Integer()
Dim value As Integer
 
value = instance.QueueReadAttributes(transactionID, startTime, endTime, serverHandle, attributeIDs, cancelID, errors)
internal int QueueReadAttributes( 
   int transactionID,
   DateTime startTime,
   DateTime endTime,
   int serverHandle,
   int[] attributeIDs,
   out int cancelID,
   out int[] errors
)

Parameters

transactionID
startTime
endTime
serverHandle
attributeIDs
cancelID
errors
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

AppPlugin Class
AppPlugin Members

 

 


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