Opc data Access Automation Specification

4.1.6

 

OPCServer Events 

4.1.6.1

 

ServerShutDown  

Description 

The ServerShutDown event is fired when the server is planning on shutting down and wants to tell 

all the active clients to release any resources. The client provides this method so that the server can 

request that the client disconnect from the server. The client should remove all groups and items.  

Syntax 

ServerShutDown (Reason As String) 

 

Part Description 

ServerReason 

An optional text string provided by the server indicating the reason 

for the shutdown.  

 

Example 

Dim WithEvents AnOPCServer As OPCServer 

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OPC Data Access Automation Specification2.02 

Dim ARealOPCServer As String 

Dim ARealOPCNodeName As String 

Set AnOPCServer = New OPCServer ‘ note we need to specify an example to facilitate creating an 

object that is  

‘dimensioned with events 

ARealOPCServer = “VendorX.DataAccessCustomServer” 

ARealOPCNodeName = “SomeComputerNodeName” 

AnOPCServer.Connect(ARealOPCServer, ARealOPCNodeName) 

Private Sub AnOPCServer_ServerShutDown(ByRef aServerReason As String) 

‘ write your client code here to let go of the server 

End Sub 

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OPC Data Access Automation Specification2.02