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



OpcLabs.EasyOpcClassic Assembly > OpcLabs.EasyOpc.DataAccess Namespace > DAVtq Class : HasValue Property
Returns whether the Value contains valid data.
Syntax
'Declaration
 
<DefaultValueAttribute(False)>
Public ReadOnly Property HasValue As Boolean
'Usage
 
Dim instance As DAVtq
Dim value As Boolean
 
value = instance.HasValue
[DefaultValue(false)]
public bool HasValue {get;}
[DefaultValue(false)]
public:
property bool HasValue {
   bool get();
}

Property Value

Returns True when the Quality is not Bad.
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

DAVtq Class
DAVtq Members