OPC Studio User's Guide and Reference
Not Method



OpcLabs.EasyOpcUA Assembly > OpcLabs.EasyOpc.UA.Filtering Namespace > UAFilterElements Class : Not Method
TRUE if operand[0] is FALSE.

Remarks:

The following restrictions apply to the operands:
[0]: Any operand that resolves to a Boolean.
If the operand cannot be resolved to a Boolean, the result is a NULL.

Syntax
'Declaration
 
<NotNullAttribute()>
Public Shared Function Not( _
   ByVal operand0 As UAFilterOperand _
) As UAContentFilterElement
'Usage
 
Dim operand0 As UAFilterOperand
Dim value As UAContentFilterElement
 
value = UAFilterElements.Not(operand0)
[NotNull()]
public static UAContentFilterElement Not( 
   UAFilterOperand operand0
)
[NotNull()]
public:
static UAContentFilterElement^ Not( 
   UAFilterOperand^ operand0
) 

Parameters

operand0
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