pascalSCADA OPM: psOPCHDA: Interface IOPCHDA_SyncRead

Pascal SCADA OPM

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Interface IOPCHDA_SyncRead

Description

Hierarchy

Fields

Methods

Properties

Unit

psOPCHDA

Declaration

type IOPCHDA_SyncRead = interface(IUnknown)

Description

*********************************************************************// Interface: IOPCHDA_SyncRead GUID: {1F1217B2-DEE0-11D2-A5E5-000086339399} *********************************************************************//

Attributes

GUID['{1F1217B2-DEE0-11D2-A5E5-000086339399}']

Hierarchy

IUnknown
IOPCHDA_SyncRead

Overview

Methods

	`function ReadRaw( var htStartTime: OPCHDA_TIME; var htEndTime: OPCHDA_TIME; dwNumValues: DWORD; bBounds: BOOL; dwNumItems: DWORD; phServer: POPCHANDLEARRAY; out ppItemValues: POPCHDA_ITEMARRAY; out ppErrors: PResultList): HResult; stdcall;`
	`function ReadProcessed( var htStartTime: OPCHDA_TIME; var htEndTime: OPCHDA_TIME; ftResampleInterval: TFileTime; dwNumItems: DWORD; phServer: POPCHANDLEARRAY; haAggregate: PDWORDARRAY; out ppItemValues: POPCHDA_ITEMARRAY; out ppErrors: PResultList): HResult; stdcall;`
	`function ReadAtTime( dwNumTimeStamps: DWORD; ftTimeStamps: PFileTimeArray; dwNumItems: DWORD; phServer: POPCHANDLEARRAY; out ppItemValues: POPCHDA_ITEMARRAY; out ppErrors: PResultList): HResult; stdcall;`
	`function ReadModified( var htStartTime: OPCHDA_TIME; var htEndTime: OPCHDA_TIME; dwNumValues: DWORD; dwNumItems: DWORD; phServer: POPCHANDLEARRAY; out ppItemValues: POPCHDA_MODIFIEDITEMARRAY; out ppErrors: PResultList): HResult; stdcall;`
	`function ReadAttribute( var htStartTime: OPCHDA_TIME; var htEndTime: OPCHDA_TIME; hServer: OPCHANDLE; dwNumAttributes: DWORD; pdwAttributeIDs: PDWORDARRAY; out ppAttributeValues: POPCHDA_ATTRIBUTEARRAY; out ppErrors: PResultList): HResult; stdcall;`

Description

Methods

	`function ReadRaw( var htStartTime: OPCHDA_TIME; var htEndTime: OPCHDA_TIME; dwNumValues: DWORD; bBounds: BOOL; dwNumItems: DWORD; phServer: POPCHANDLEARRAY; out ppItemValues: POPCHDA_ITEMARRAY; out ppErrors: PResultList): HResult; stdcall;`

	`function ReadProcessed( var htStartTime: OPCHDA_TIME; var htEndTime: OPCHDA_TIME; ftResampleInterval: TFileTime; dwNumItems: DWORD; phServer: POPCHANDLEARRAY; haAggregate: PDWORDARRAY; out ppItemValues: POPCHDA_ITEMARRAY; out ppErrors: PResultList): HResult; stdcall;`

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

	`function ReadModified( var htStartTime: OPCHDA_TIME; var htEndTime: OPCHDA_TIME; dwNumValues: DWORD; dwNumItems: DWORD; phServer: POPCHANDLEARRAY; out ppItemValues: POPCHDA_MODIFIEDITEMARRAY; out ppErrors: PResultList): HResult; stdcall;`

	`function ReadAttribute( var htStartTime: OPCHDA_TIME; var htEndTime: OPCHDA_TIME; hServer: OPCHANDLE; dwNumAttributes: DWORD; pdwAttributeIDs: PDWORDARRAY; out ppAttributeValues: POPCHDA_ATTRIBUTEARRAY; out ppErrors: PResultList): HResult; stdcall;`

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