DAHandleGroupArguments Constructor(Int32,DAGroupParameters,Object)

Initializes a new instance of the class. Initializes a new instance of the class, with the specified handle value, OPC group parameters, and a user-defined state object.

Syntax

Visual Basic
C#
C++/CLI

'Declaration
 
Public Function New( _
   ByVal handle As Integer, _
   ByVal groupParameters As DAGroupParameters, _
   ByVal state As Object _
)

'Usage
 
Dim handle As Integer
Dim groupParameters As DAGroupParameters
Dim state As Object
 
Dim instance As New DAHandleGroupArguments(handle, groupParameters, state)

public DAHandleGroupArguments( 
   int handle,
   DAGroupParameters groupParameters,
   object state
)

public:
DAHandleGroupArguments( 
   int handle,
   DAGroupParameters^ groupParameters,
   Object^ state
)

Parameters

handle: A handle value.
groupParameters: An object containing subscription parameters, such as the requested update rate.
state: The state object (can be any value supplied by your code); available in event notifications.

Exceptions

Exception Description

Exception	Description
System.ArgumentNullException	A `null` reference (`Nothing` in Visual Basic) is passed to a method that does not accept it as a valid argument. 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.

System.ArgumentNullException

A null reference (Nothing in Visual Basic) is passed to a method that does not accept it as a valid argument.

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.

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

DAHandleGroupArguments Class
DAHandleGroupArguments Members
Overload List

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