Holds information necessary to read an OPC item, such OPC server and item descriptor, and read parameters.

ProgId: OpcLabs.EasyOpc.DataAccess.OperationModel.DAReadItemArguments
CLSID (Class ID): b5daca52-2b85-4278-81bd-ca4f3386b4ff
Default interface: OpcLabs.EasyOpc.DataAccess.OperationModel.ComTypes._DAReadItemArguments
Event source interface:

For more information, see DAReadItemArguments and OpcLabs.EasyOpc.DataAccess.OperationModel.ComTypes._DAReadItemArguments in .NET Reference.

For remarks, see DAReadItemArguments and OpcLabs.EasyOpc.DataAccess.OperationModel.ComTypes._DAReadItemArguments in .NET Reference.

Object creation

_DAReadItemArgumentsPtr DAReadItemArgumentsPtr(__uuidof(DAReadItemArguments));

DAReadItemArguments := CoDAReadItemArguments.Create;

var DAReadItemArguments = new ActiveXObject("OpcLabs.EasyOpc.DataAccess.OperationModel.DAReadItemArguments");

DAReadItemArguments := CoDAReadItemArguments.Create;

$DAReadItemArguments = Win32::OLE->new("OpcLabs.EasyOpc.DataAccess.OperationModel.DAReadItemArguments");

$DAReadItemArguments = new COM("OpcLabs.EasyOpc.DataAccess.OperationModel.DAReadItemArguments");

OLEObject DAReadItemArguments
DAReadItemArguments = CREATE OLEObject
DAReadItemArguments.ConnectToNewObject("OpcLabs.EasyOpc.DataAccess.OperationModel.DAReadItemArguments")

DAReadItemArguments = win32com.client.Dispatch('OpcLabs.EasyOpc.DataAccess.OperationModel.DAReadItemArguments')

Dim DAReadItemArguments As New OleObject ("OpcLabs.EasyOpc.DataAccess.OperationModel.DAReadItemArguments")

Dim DAReadItemArguments As New DAReadItemArguments

DAReadItemArguments = CREATEOBJECT("OpcLabs.EasyOpc.DataAccess.OperationModel.DAReadItemArguments")

Dim DAReadItemArguments As New DAReadItemArguments

Dim DAReadItemArguments: Set DAReadItemArguments = CreateObject("OpcLabs.EasyOpc.DataAccess.OperationModel.DAReadItemArguments")

DAReadItemArguments := CreateObject("OpcLabs.EasyOpc.DataAccess.OperationModel.DAReadItemArguments")

Interface	Description
_Info	An object that holds information. IID (Interface ID): b9103dfd-bace-4392-afb0-ff2bfc9c7ab7 For more information, see _Info in .NET Reference.
_Object
_Object2	A common base class. IID (Interface ID): 9b164457-eef8-4736-bae7-531d45ea2751 For more information, see _Object2 in .NET Reference.
_OperationArguments	Holds arguments of an operation. IID (Interface ID): eee67ffb-a7b3-43c3-8bd9-47f2805c529a For more information, see _OperationArguments in .NET Reference.
DAItemArguments	Holds an OPC server and item descriptor, as arguments to some operation. IID (Interface ID): a068c3c0-75ab-475c-a3f5-08fe98d5cb92 For more information, see _DAItemArguments in .NET Reference.
ICloneable	IID (Interface ID): 0cb251a7-3ab3-3b5c-a0b8-9ddf88824b85 For more information, see ICloneable in .NET Reference.
ISerializable	IID (Interface ID): d0eeaa62-3d30-3ee2-b896-a2f34dda47d8 For more information, see ISerializable in .NET Reference.

For examples, see DAReadItemArguments in .NET Reference.

DAReadItemArguments Members