'Declaration
 
Public Function New( _
   ByVal serverDescriptor As ServerDescriptor, _
   ByVal itemDescriptor As DAItemDescriptor, _
   ByVal groupParameters As DAGroupParameters, _
   ByVal callback As EasyDAItemChangedEventHandler, _
   ByVal state As Object _
)

'Usage
 
Dim serverDescriptor As ServerDescriptor
Dim itemDescriptor As DAItemDescriptor
Dim groupParameters As DAGroupParameters
Dim callback As EasyDAItemChangedEventHandler
Dim state As Object
 
Dim instance As New EasyDAItemSubscriptionArguments(serverDescriptor, itemDescriptor, groupParameters, callback, state)

public EasyDAItemSubscriptionArguments( 
   ServerDescriptor serverDescriptor,
   DAItemDescriptor itemDescriptor,
   DAGroupParameters groupParameters,
   EasyDAItemChangedEventHandler callback,
   object state
)

public:
EasyDAItemSubscriptionArguments( 
   ServerDescriptor^ serverDescriptor,
   DAItemDescriptor^ itemDescriptor,
   DAGroupParameters^ groupParameters,
   EasyDAItemChangedEventHandler^ callback,
   Object^ state
)

Parameters

serverDescriptor

The OPC server involved in the operation.

itemDescriptor

The OPC item involved in the operation.

groupParameters

An object containing subscription parameters, such as the requested update rate.

callback

A callback method to be invoked for each significant item change.

state

The state object (can be any value supplied by your code); available in event notifications.

Target Platforms: .NET Framework: Windows 10 (selected versions), Windows 11 (selected versions), Windows Server 2012, Windows Server 2016; .NET Core, .NET 5, .NET 6: Linux, macOS, Microsoft Windows

Reference

EasyDAItemSubscriptionArguments Class
EasyDAItemSubscriptionArguments Members
Overload List