dOPC Client Toolkit
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dOPCAE.TdOPCEventSubscription.OnEvent

callback procedure: we get a new event for OPC AE Server

function OnEvent(hClientSubscription: OPCHANDLE; bRefresh: dBOOL; bLastRefresh: dBOOL; dwCount: DWORD; pEvents: PONEVENTSTRUCTARRAY): HResult; stdcall;
__fastcall __stdcall HRESULT OnEvent(OPCHANDLE hClientSubscription, dBOOL bRefresh, dBOOL bLastRefresh, DWORD dwCount, PONEVENTSTRUCTARRAY pEvents);
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