Create<TValue>(String,String,String) Method

Creates a new observer that writes values into an OPC item, specifying machine name, server class, and item ID.

Syntax

[NotNull()]
public static DAWriteItemValueObserver<TValue> Create<TValue>( 
   string machineName,
   string serverClass,
   string itemId
)

[NotNull()]
public:
static DAWriteItemValueObserver<TValue^>^ Creategeneric<typename TValue>
( 
   String^ machineName,
   String^ serverClass,
   String^ itemId
)

'Declaration
 
<NotNullAttribute()>
Public Overloads Shared Function Create(Of TValue)( _
   ByVal machineName As String, _
   ByVal serverClass As String, _
   ByVal itemId As String _
) As DAWriteItemValueObserver(Of TValue)

'Usage
 
Dim machineName As String
Dim serverClass As String
Dim itemId As String
Dim value As DAWriteItemValueObserver(Of TValue)
 
value = DAWriteItemValueObserver.Create(Of TValue)(machineName, serverClass, itemId)

Parameters

machineName: Name of the machine (empty string for local computer).
serverClass: Contains ProgID of the OPC server.
itemId: ID of the item that will be written into.

Type Parameters

TValue

Return Value

Returns an observer that writes values into the given OPC item.

Remarks

The DAReactive.DefaultClientSelector selector will be used for OPC Data Access operations.

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

DAWriteItemValueObserver Class
DAWriteItemValueObserver Members
Overload List

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