pascalSCADA OPM: psOPCHDA: Interface IOPCHDA_AsyncRead

Pascal SCADA OPM

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Interface IOPCHDA_AsyncRead

Description

Hierarchy

Fields

Methods

Properties

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

	`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;`
	`function AdviseRaw( dwTransactionID: DWORD; var htStartTime: OPCHDA_TIME; ftUpdateInterval: TFileTime; dwNumItems: DWORD; phServer: POPCHANDLEARRAY; out pdwCancelID: DWORD; out ppErrors: PResultList): HResult; stdcall;`
	`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;`
	`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;`
	`function ReadAtTime( dwTransactionID: DWORD; dwNumTimeStamps: DWORD; ftTimeStamps: PFileTimeArray; dwNumItems: DWORD; phServer: POPCHANDLEARRAY; out pdwCancelID: DWORD; out ppErrors: PResultList): HResult; stdcall;`
	`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;`
	`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;`
	`function Cancel( dwCancelID: DWORD): HResult; stdcall;`

Description

Methods

	`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;`

	`function AdviseRaw( dwTransactionID: DWORD; var htStartTime: OPCHDA_TIME; ftUpdateInterval: TFileTime; dwNumItems: DWORD; phServer: POPCHANDLEARRAY; out pdwCancelID: DWORD; out ppErrors: PResultList): HResult; stdcall;`

	`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;`

	`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;`

	`function ReadAtTime( dwTransactionID: DWORD; dwNumTimeStamps: DWORD; ftTimeStamps: PFileTimeArray; dwNumItems: DWORD; phServer: POPCHANDLEARRAY; out pdwCancelID: DWORD; out ppErrors: PResultList): HResult; stdcall;`

	`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;`

	`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;`

	`function Cancel( dwCancelID: DWORD): HResult; stdcall;`

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