OPC Studio User's Guide and Reference
And(UAFilterOperand,Object) Method



OpcLabs.EasyOpcUA Assembly > OpcLabs.EasyOpc.UA.Filtering Namespace > UAFilterElements Class > And Method : And(UAFilterOperand,Object) Method

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

The value of this parameter can be null (Nothing in Visual Basic).

TRUE if operand[0] and operand[1] are TRUE.

Remarks:

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

Syntax
'Declaration
 
<NotNullAttribute()>
Public Overloads Shared Function And( _
   ByVal operand0 As UAFilterOperand, _
   ByVal literalValue1 As Object _
) As UAContentFilterElement
'Usage
 
Dim operand0 As UAFilterOperand
Dim literalValue1 As Object
Dim value As UAContentFilterElement
 
value = UAFilterElements.And(operand0, literalValue1)

Parameters

operand0

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

literalValue1

The value of this parameter can be null (Nothing in Visual Basic).

Return Value

This method never returns null (Nothing in Visual Basic).

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