'Declaration
 
Public Function New( _
   ByVal args As DAItemArguments, _
   ByVal readParameters As DAReadParameters _
)

'Usage
 
Dim args As DAItemArguments
Dim readParameters As DAReadParameters
 
Dim instance As New DAReadItemArguments(args, readParameters)

public DAReadItemArguments( 
   DAItemArguments args,
   DAReadParameters readParameters
)

public:
DAReadItemArguments( 
   DAItemArguments^ args,
   DAReadParameters^ readParameters
)

Parameters

args

The item arguments object to be copied from.

The value of this parameter cannot be null (Nothing in Visual Basic).

readParameters

The read parameters (such as data source or value age).

Because the OpcLabs.EasyOpc.DataAccess.DAReadParameters has an implicit conversion from System.Int32 and OpcLabs.EasyOpc.DataAccess.DADataSource, in languages that support implicit conversion operators (such as C# or VB.NET), you can simply use an integer (representing the value age in milliseconds), or an element of the OpcLabs.EasyOpc.DataAccess.DADataSource enumeration in place of this parameter, and the corresponding OPC DA read parameters object will be constructed automatically. When the implicit conversion operators are not supported (such as with Python.NET), you can use the DAReadParameters Constructor(Int32) or DAReadParameters Constructor(DADataSource) constructor instead.

The value of this parameter cannot be null (Nothing in Visual Basic).

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