QuickOPC User's Guide and Reference
HasValue Property (UAAttributeData)



OpcLabs.EasyOpcUA Assembly > OpcLabs.EasyOpc.UA Namespace > UAAttributeData Class : HasValue Property
Determines whether there is a valid value in the attribute data (depends on the status code).
Syntax
'Declaration
 
<DefaultValueAttribute()>
Public ReadOnly Property HasValue As Boolean
'Usage
 
Dim instance As UAAttributeData
Dim value As Boolean
 
value = instance.HasValue
[DefaultValue()]
public bool HasValue {get;}
[DefaultValue()]
public:
property bool HasValue {
   bool get();
}

Property Value

True if there is a valid value in the attribute data; false otherwise.
Requirements

Target Platforms: .NET Framework: Windows 7 with SP1, Windows Server 2012; .NET Core: Linux, Microsoft Windows

See Also

Reference

UAAttributeData Class
UAAttributeData Members