QuickOPC User's Guide and Reference
IsNullable Property (UserValueControl)



OpcLabs.BaseLibForms Assembly > OpcLabs.BaseLib.Forms Namespace > UserValueControl Class : IsNullable Property
Syntax
'Declaration
 
<DefaultValueAttribute(False)>
Public Overridable ReadOnly Property IsNullable As Boolean
'Usage
 
Dim instance As UserValueControl
Dim value As Boolean
 
value = instance.IsNullable
[DefaultValue(false)]
public virtual bool IsNullable {get;}
[DefaultValue(false)]
public:
virtual property bool IsNullable {
   bool get();
}
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