dOPC Client Toolkit
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dOPCAE.TdOPCEventSubscription
dOPCAE_TdOPCEventSubscription

class to receive IConnectionPointContainer event callbacks 

TdOPCEventSubscription is delivered by an OPC AE server to manage a single event subscription.

TdOPCEventSubscription = class(TInterfacedObject, IOPCEventSink);
class TdOPCEventSubscription : public TInterfacedObject, public IOPCEventSink;
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