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