OPC Labs EasyOPC “Classic” Core Library
DAVtq Object
Members 
OpcLabs_EasyOpcClassicCore ActiveX DLL : DAVtq Object
Description
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.

Object Model

DAVtq ObjectDAQuality Object

Remarks

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")
Interfaces
InterfaceDescription
An object that holds information.

 

IID (Interface ID): b9103dfd-bace-4392-afb0-ff2bfc9c7ab7

 

For more information, see _Info in .NET Reference.

 
A common base class.

 

IID (Interface ID): 9b164457-eef8-4736-bae7-531d45ea2751

 

For more information, see _Object2 in .NET Reference.

 

IID (Interface ID): 0cb251a7-3ab3-3b5c-a0b8-9ddf88824b85

 

For more information, see ICloneable in .NET Reference.

 

IID (Interface ID): 9a604ee7-e630-3ded-9444-baae247075ab

 

For more information, see IFormattable in .NET Reference.

 

IID (Interface ID): d0eeaa62-3d30-3ee2-b896-a2f34dda47d8

 

For more information, see ISerializable in .NET Reference.

Example

For examples, see DAVtq in .NET Reference.

See Also

DAVtq Members