OPC Studio User's Guide and Reference
NamespaceUriString Property (_UANodeId)



OpcLabs.EasyOpcUA Assembly > OpcLabs.EasyOpc.UA.AddressSpace.ComTypes Namespace > _UANodeId Interface : NamespaceUriString Property
Namespace URI string. Determines the namespace of the qualified name or node Id.
Syntax
'Declaration
 
<NotNullAttribute()>
Property NamespaceUriString As String
'Usage
 
Dim instance As _UANodeId
Dim value As String
 
instance.NamespaceUriString = value
 
value = instance.NamespaceUriString
[NotNull()]
string NamespaceUriString {get; set;}
[NotNull()]
property String^ NamespaceUriString {
   String^ get();
   void set (    String^ value);
}

Property Value

The value represents an OPC UA namespace URI string. The property value can be any string, but not all values make sense and will work when an operation using them is attempted.

This value of this property can be null (Nothing in Visual Basic).

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

The default value of this property is "" (String.Empty).

Exceptions
ExceptionDescription

A null reference (Nothing in Visual Basic) is passed to a method that does not accept it as a valid argument.

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.

Remarks

This member or type is for use from COM. It is not meant to be used from .NET or Python. Refer to the corresponding .NET member or type instead, if you are developing in .NET or Python.

The getter method of this property is pure, i.e. it does not have observable side effects.

Requirements

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

See Also