Holds data value, timestamp and quality, abbreviated sometimes as VTQ. This is a common combination in OPC, e.g. returned when an OPC item is read.

ProgId: OpcLabs.EasyOpc.DataAccess.DAVtq
CLSID (Class ID): faa7b8bc-82b6-4bc7-ab7b-c3671d622de0
Default interface: OpcLabs.EasyOpc.DataAccess.ComTypes._DAVtq
Event source interface:

For more information, see DAVtq and OpcLabs.EasyOpc.DataAccess.ComTypes._DAVtq in .NET Reference.

For remarks, see DAVtq and OpcLabs.EasyOpc.DataAccess.ComTypes._DAVtq in .NET Reference.

Object creation

_DAVtqPtr DAVtqPtr(__uuidof(DAVtq));

DAVtq := CoDAVtq.Create;

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

DAVtq := CoDAVtq.Create;

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

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

OLEObject DAVtq
DAVtq = CREATE OLEObject
DAVtq.ConnectToNewObject("OpcLabs.EasyOpc.DataAccess.DAVtq")

DAVtq = win32com.client.Dispatch('OpcLabs.EasyOpc.DataAccess.DAVtq')

Dim DAVtq As New OleObject ("OpcLabs.EasyOpc.DataAccess.DAVtq")

Dim DAVtq As New DAVtq

DAVtq = CREATEOBJECT("OpcLabs.EasyOpc.DataAccess.DAVtq")

Dim DAVtq As New DAVtq

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

DAVtq := CreateObject("OpcLabs.EasyOpc.DataAccess.DAVtq")

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.
ICloneable	IID (Interface ID): 0cb251a7-3ab3-3b5c-a0b8-9ddf88824b85 For more information, see ICloneable in .NET Reference.
IFormattable	IID (Interface ID): 9a604ee7-e630-3ded-9444-baae247075ab For more information, see IFormattable in .NET Reference.
ISerializable	IID (Interface ID): d0eeaa62-3d30-3ee2-b896-a2f34dda47d8 For more information, see ISerializable in .NET Reference.

For examples, see DAVtq in .NET Reference.

DAVtq Members