User`s guide

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OPC Interface of NuDAQ PCI card OPC Server

3.2 OPCGroup Object

IOPCGroupStateMgt

HRESULT GetState (pUpdateRate, pActive, ppName, pTimeBias,

pPercentDeadband, pLCID, phClientGroup, phServerGroup);

HRESULT SetState (pRequestedUpdateRate, pRevisedUpdateRate,

pActive, pTimeBias, pPercentDeadband, pLCID, phClientGroup);

HRESULT SetName (szName);

HRESULT CloneGroup (szName, riid, ppUnk);

IOPCSyncIO

HRESULT Read (dwSource, dwCount, phServer, ppItemValues, ppErrors);

HRESULT Write (dwCount, phServer, pItemValues, ppErrors);

IOPCAsyncIO2

HRESULT Read (dwCount, phServer, dwTransactionID, pdwCancelID,

ppErrors);

HRESULT Write (dwCount, phServer, pItemValues, dwTransactionID,

pdwCancelID, ppErrors);

HRESULT Cancel2 (dwCancelID);

HRESULT Refresh2 (dwSource, dwTransactionID, pdwCancelID);

HRESULT SetEnable (bEnable);

HRESULT GetEnable (pbEnable);