'Declaration
 
<NotNullAttribute()>
Public Property TopicPrefixHead As String

'Usage
 
Dim instance As UADataSetSubscriptionDescriptor
Dim value As String
 
instance.TopicPrefixHead = value
 
value = instance.TopicPrefixHead

[NotNull()]
public string TopicPrefixHead {get; set;}

[NotNull()]
public:
property String^ TopicPrefixHead {
   String^ get();
   void set (    String^ value);
}

Property Value

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

The default value of this property is "opcua".

The default value, given by the OPC UA specification, is "opcua".

An empty string denotes that in the topic tree, any value can be present at this topic level.

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