dOPC Client Toolkit Help file
TdOPCEventSubscription Methods

The methods of the TdOPCEventSubscription class are listed here.

Public Methods
Public Method 
Description 
callback procedure: we get a new event for OPC AE Server
OnEvent is generated when a new event on the OPC AE server occurred. 
Refresh forces a refresh for all active conditions and inactive, unacknowledged conditions whose event notifications match the filter of the event subscription. 
SelectReturnedAttributes sets the attributes to be returned for each event category in the OnEvent callback. 
SetFilter sets the filtering criteria to be used for the event subscription. 
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