AcknowledgeAllEvents acknowledges all occurred events as the passed Who with the passed Comment.

AcknowledgeEvents acknowledges the passed AckEvents as the passed Who with the passed Comment.

AcknowledgeNotActiveEvents acknowledges all inactive events as the passed Who with the passed Comment.

BeginUpdate should be called before making multiple changes to the events collection.

BrowserSupport returns True if the server supports browsing, otherwise False.

creates a tdOPCClient object

This is Destroy, a member of class TdOPCEventServer.

EndUpdate should be called after completing changes to the events collection that started with calling the BeginUpdate method.

GetConditionState returns the TdOPCEventCondition from the passed Source for the passed ConditionName.

get status information from OPC server (delphi types)

GetStatus retrieves the current status of the connection.

TdOPCComponent

QuerySourceConditions fills the Conditions parameter, presenting a list the list of available conditions of the passed Source.

Refresh forces a refresh for all active conditions and inactive, unacknowledged conditions whose event notifications match the filter of the event subscription.

Resort sorts the Events collection again (usually not necessary).