ClientHandle property

Description
(Read/Write) A unique value associated with each individual item in the group. Its purpose is for the client application to quickly locate the destination when data is returned from the server. The handle is typically an index, and so on. This handle will be returned to the client along with data or status.
Syntax
ClientHandle
As Long
Example
Private Sub MyOPCGroup_DataChange(ByVal TransactionID As Long, ByVal NumItems As Long, ClientHandles() As Long, ItemValues() As Variant, Qualities() As Long, TimeStamps() As Date)
Dim i As Long
For i = 1 To NumItems
'/* Update display using clienthandle as an index for text box controls
txtData(ClientHandles(i)) = ItemValues(i)
End If
End Sub
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