dOPCIntf.TdOPCItemData Properties

The properties of the TdOPCItemData class are listed here.

Properties

	AccessPath	AccessPath contains the complete path of the item (e.g.
	AccessRights	AccessRights contains the access rights of the item.
	BaseDatatype	This is BaseDatatype, a member of class TdOPCItemData.
	CanonicalDatatype	CanonicalDatatype contains the native data type of the item.
	ChangeCount	This is ChangeCount, a member of class TdOPCItemData.
	Data	Data is not used by TdOPCItemData.
	DeadBand
	EUInfo	EUInfo contains the Engineering Units information of the item.
	EUType	EUType contains the type of Engineering Units (EU) information of the item (if any) contained in the property EUInfo.
	IsActive	IsActive contains the state of the data acquisition for this item.
	ItemID	ItemID contains the unique identifier for the item.
	ItemName	This is ItemName, a member of class TdOPCItemData.
	LastError	LastError contains the code for the last occurred OPC error.
	Quality	Quality contains the latest quality read from the server.
	RequestType	RequestType contains the data type which the item's return value will have.
	Samplerate
	ServerHandle	ServerHandle contains the assigned server handle for the item.
	Tag	Tag has no predefined meaning.
	TimeStamp	TimeStamp contains the latest timestamp read from the server.
	Value	Value contains the latest value read from the server.
	WantQuality	WantQuality contains the quality that should be written in the WriteAsync and WriteSync methods.
	WantTimeStamp	WantTimeStamp contains the timestamp that should be written in the WriteAsync and WriteSync methods.
	WantValue	WantValue contains the value that should be written in the WriteAsync and WriteSync methods.

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