Vtq Property (_EasyDAItemChangedEventArgs)

Gets the current (new) OpcLabs.EasyOpc.DataAccess.DAVtq (value, timestamp and quality) of the OPC item. Null reference when System.Exception is not null.

Syntax

Visual Basic
C#
C++/CLI

'Declaration
 
<JetBrains.Annotations.CanBeNullAttribute()>
Property Vtq As DAVtq

'Usage
 
Dim instance As _EasyDAItemChangedEventArgs
Dim value As DAVtq
 
instance.Vtq = value
 
value = instance.Vtq

[JetBrains.Annotations.CanBeNull()]
DAVtq Vtq {get; set;}

[JetBrains.Annotations.CanBeNull()]
property DAVtq^ Vtq {
   DAVtq^ get();
   void set (    DAVtq^ value);
}

Property Value

The value of this property can be null (Nothing in Visual Basic).

The default value of this property is null.

Exceptions

Exception	Description
System.ArgumentException	One of the arguments provided to a method is not valid. This is a usage error, i.e. it will never occur (the exception will not be thrown) in a correctly written program. Your code should not catch this exception.

Exception

Description

System.ArgumentException

One of the arguments provided to a method is not valid.

This is a usage error, i.e. it will never occur (the exception will not be thrown) in a correctly written program. Your code should not catch this exception.

Remarks

This member or type is for use from COM. It is not meant to be used from .NET or Python. Refer to the corresponding .NET member or type instead, if you are developing in .NET or Python.

Requirements

Target Platforms: .NET Framework: Windows 10 (selected versions), Windows 11 (selected versions), Windows Server 2016, Windows Server 2022; .NET: Linux, macOS, Microsoft Windows

Reference

_EasyDAItemChangedEventArgs Interface
_EasyDAItemChangedEventArgs Members

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