'UsageDim itemId As String Dim instance As New DANodeDescriptor(itemId)
Parameters
- itemId
- Contains OPC item identifier.
'UsageDim itemId As String Dim instance As New DANodeDescriptor(itemId)
| Exception | Description |
|---|---|
| System.ArgumentNullException |
A 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. |