IDataItem.Access (PROP) ¶ PROPERTY Access : PlcDataItemAccess

IDataItem.AddressInfo (PROP) ¶ PROPERTY AddressInfo : POINTER TO PlcAddressInfo Will return the according addressinfo of this dataitem. The return value can be 0 when there is only symbolic access info of this item.

IDataItem.ReferenceCount (PROP) ¶ PROPERTY ReferenceCount : DINT

IDataItem.Tag (PROP) ¶ PROPERTY Tag : DWORD Using this property, it is possible for client code to attach some userdefined data to a DataItem.

IDataItem.ValueAddress (PROP) ¶ PROPERTY ValueAddress : POINTER TO BYTE The address where the local value is located. Together with

IDataItem.WriteCopyAddress (PROP) ¶ PROPERTY WriteCopyAddress : POINTER TO BYTE

IDataItem2 (ITF) ¶ INTERFACE IDataItem2 EXTENDS IDataItem Properties: Access , inherited from IDataItem AddressInfo , inherited from IDataItem DataType , inherited from IDataItemInfo Id , inherited from IDataItemInfo Quality , inherited from IDataItemInfo ReferenceCount , inherited from IDataItem SymbolicName , inherited from IDataItemInfo Tag , inherited from IDataItem Timestamp , inherited from IDataItemInfo ValueAddress , inherited from IDataItem WriteCopyAddress , inherited from IDataItem Methods: GetFullSymbolicName Structure: GetFullSymbolicName (Method)

IDataItem2.GetFullSymbolicName (METH) ¶ METHOD GetFullSymbolicName : DINT InOut: Scope Name Type Return GetFullSymbolicName DINT Input pBuffer POINTER TO BYTE diBufferSize DINT

IDataItemInfo (ITF) ¶ INTERFACE IDataItemInfo EXTENDS __SYSTEM.IQueryInterface Properties: DataType Id Quality SymbolicName Timestamp Structure: DataType (Property) Id (Property) Quality (Property) SymbolicName (Property) Timestamp (Property)

IDataItemInfo.DataType (PROP) ¶ PROPERTY DataType : PlcDataItemType