QuickOPC User's Guide and Reference
DAItemDescriptor Constructor(DANodeElement,VarType)



OpcLabs.EasyOpcClassic Assembly > OpcLabs.EasyOpc.DataAccess Namespace > DAItemDescriptor Class > DAItemDescriptor Constructor : DAItemDescriptor Constructor(DANodeElement,VarType)
The node element object - contains information gathered about a node in OPC server's address space.
Specifies the data type requested. Passing OpcLabs.BaseLib.ComInterop.VarTypes.Empty means that the server's canonical data type should be used.
Initializes a new instance of the DAItemDescriptor class.Initializes a new instance of the class, from specified node element, and data type.
Syntax
'Declaration
 
Public Function New( _
   ByVal nodeElement As DANodeElement, _
   ByVal requestedDataType As VarType _
)
'Usage
 
Dim nodeElement As DANodeElement
Dim requestedDataType As VarType
 
Dim instance As New DAItemDescriptor(nodeElement, requestedDataType)
public DAItemDescriptor( 
   DANodeElement nodeElement,
   VarType requestedDataType
)
public:
DAItemDescriptor( 
   DANodeElement^ nodeElement,
   VarType^ requestedDataType
)

Parameters

nodeElement
The node element object - contains information gathered about a node in OPC server's address space.
requestedDataType
Specifies the data type requested. Passing OpcLabs.BaseLib.ComInterop.VarTypes.Empty means that the server's canonical data type should be used.
Requirements

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

See Also

Reference

DAItemDescriptor Class
DAItemDescriptor Members
Overload List