pascalSCADA OPM: psOPCHDA: Interface IOPCHDA_AsyncRead

Pascal SCADA OPM

Interface IOPCHDA_AsyncRead

Unit

psOPCHDA

Declaration

type IOPCHDA_AsyncRead = interface(IUnknown)

Description

*********************************************************************// Interface: IOPCHDA_AsyncRead GUID: {1F1217B5-DEE0-11D2-A5E5-000086339399} *********************************************************************//

Attributes
GUID['{1F1217B5-DEE0-11D2-A5E5-000086339399}']

Hierarchy

  • IUnknown
  • IOPCHDA_AsyncRead

Overview

Methods

Public function ReadRaw( dwTransactionID: DWORD; var htStartTime: OPCHDA_TIME; var htEndTime: OPCHDA_TIME; dwNumValues: DWORD; bBounds: BOOL; dwNumItems: DWORD; phServer: POPCHANDLEARRAY; out pdwCancelID: DWORD; out ppErrors: PResultList): HResult; stdcall;
Public function AdviseRaw( dwTransactionID: DWORD; var htStartTime: OPCHDA_TIME; ftUpdateInterval: TFileTime; dwNumItems: DWORD; phServer: POPCHANDLEARRAY; out pdwCancelID: DWORD; out ppErrors: PResultList): HResult; stdcall;
Public function ReadProcessed( dwTransactionID: DWORD; var htStartTime: OPCHDA_TIME; var htEndTime: OPCHDA_TIME; ftResampleInterval: TFileTime; dwNumItems: DWORD; phServer: POPCHANDLEARRAY; haAggregate: PDWORDARRAY; out pdwCancelID: DWORD; out ppErrors: PResultList): HResult; stdcall;
Public function AdviseProcessed( dwTransactionID: DWORD; var htStartTime: OPCHDA_TIME; ftResampleInterval: TFileTime; dwNumItems: DWORD; phServer: POPCHANDLEARRAY; haAggregate: PDWORDARRAY; dwNumIntervals: DWORD; out pdwCancelID: DWORD; out ppErrors: PResultList): HResult; stdcall;
Public function ReadAtTime( dwTransactionID: DWORD; dwNumTimeStamps: DWORD; ftTimeStamps: PFileTimeArray; dwNumItems: DWORD; phServer: POPCHANDLEARRAY; out pdwCancelID: DWORD; out ppErrors: PResultList): HResult; stdcall;
Public function ReadModified( dwTransactionID: DWORD; var htStartTime: OPCHDA_TIME; var htEndTime: OPCHDA_TIME; dwNumValues: DWORD; dwNumItems: DWORD; phServer: POPCHANDLEARRAY; out pdwCancelID: DWORD; out ppErrors: PResultList): HResult; stdcall;
Public function ReadAttribute( dwTransactionID: DWORD; var htStartTime: OPCHDA_TIME; var htEndTime: OPCHDA_TIME; hServer: OPCHANDLE; dwNumAttributes: DWORD; dwAttributeIDs: PDWORDARRAY; out pdwCancelID: DWORD; out ppErrors: PResultList): HResult; stdcall;
Public function Cancel( dwCancelID: DWORD): HResult; stdcall;

Description

Methods

Public function ReadRaw( dwTransactionID: DWORD; var htStartTime: OPCHDA_TIME; var htEndTime: OPCHDA_TIME; dwNumValues: DWORD; bBounds: BOOL; dwNumItems: DWORD; phServer: POPCHANDLEARRAY; out pdwCancelID: DWORD; out ppErrors: PResultList): HResult; stdcall;
 
Public function AdviseRaw( dwTransactionID: DWORD; var htStartTime: OPCHDA_TIME; ftUpdateInterval: TFileTime; dwNumItems: DWORD; phServer: POPCHANDLEARRAY; out pdwCancelID: DWORD; out ppErrors: PResultList): HResult; stdcall;
 
Public function ReadProcessed( dwTransactionID: DWORD; var htStartTime: OPCHDA_TIME; var htEndTime: OPCHDA_TIME; ftResampleInterval: TFileTime; dwNumItems: DWORD; phServer: POPCHANDLEARRAY; haAggregate: PDWORDARRAY; out pdwCancelID: DWORD; out ppErrors: PResultList): HResult; stdcall;
 
Public function AdviseProcessed( dwTransactionID: DWORD; var htStartTime: OPCHDA_TIME; ftResampleInterval: TFileTime; dwNumItems: DWORD; phServer: POPCHANDLEARRAY; haAggregate: PDWORDARRAY; dwNumIntervals: DWORD; out pdwCancelID: DWORD; out ppErrors: PResultList): HResult; stdcall;
 
Public function ReadAtTime( dwTransactionID: DWORD; dwNumTimeStamps: DWORD; ftTimeStamps: PFileTimeArray; dwNumItems: DWORD; phServer: POPCHANDLEARRAY; out pdwCancelID: DWORD; out ppErrors: PResultList): HResult; stdcall;
 
Public function ReadModified( dwTransactionID: DWORD; var htStartTime: OPCHDA_TIME; var htEndTime: OPCHDA_TIME; dwNumValues: DWORD; dwNumItems: DWORD; phServer: POPCHANDLEARRAY; out pdwCancelID: DWORD; out ppErrors: PResultList): HResult; stdcall;
 
Public function ReadAttribute( dwTransactionID: DWORD; var htStartTime: OPCHDA_TIME; var htEndTime: OPCHDA_TIME; hServer: OPCHANDLE; dwNumAttributes: DWORD; dwAttributeIDs: PDWORDARRAY; out pdwCancelID: DWORD; out ppErrors: PResultList): HResult; stdcall;
 
Public function Cancel( dwCancelID: DWORD): HResult; stdcall;
 

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