pascalSCADA OPM: psOPCDA: Interface IOPCSyncIO

Pascal SCADA OPM

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Interface IOPCSyncIO

Description
Hierarchy
Fields
Methods
Properties

Unit

psOPCDA

Declaration

type IOPCSyncIO = interface(IUnknown)

Description

*********************************************************************// Interface: IOPCSyncIO GUID: {39C13A52-011E-11D0-9675-0020AFD8ADB3} *********************************************************************//

Attributes
GUID['{39C13A52-011E-11D0-9675-0020AFD8ADB3}']

Hierarchy

  • IUnknown
  • IOPCSyncIO

Overview

Methods

Public function Read( dwSource: OPCDATASOURCE; dwCount: DWORD; phServer: POPCHANDLEARRAY; out ppItemValues: POPCITEMSTATEARRAY; out ppErrors: PResultList): HResult; stdcall;
Public function Write( dwCount: DWORD; phServer: POPCHANDLEARRAY; pItemValues: POleVariantArray; out ppErrors: PResultList): HResult; stdcall;

Description

Methods

Public function Read( dwSource: OPCDATASOURCE; dwCount: DWORD; phServer: POPCHANDLEARRAY; out ppItemValues: POPCITEMSTATEARRAY; out ppErrors: PResultList): HResult; stdcall;
 
Public function Write( dwCount: DWORD; phServer: POPCHANDLEARRAY; pItemValues: POleVariantArray; out ppErrors: PResultList): HResult; stdcall;
 
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