IsValidExternalValue(Object) Method

Determines whether an object represents a valid external value of a publisher Id.

Syntax

Visual Basic
C#
C++/CLI

'Declaration
 
<PureAttribute()>
Public Shared Function IsValidExternalValue( _
   ByVal value As Object _
) As Boolean

'Usage
 
Dim value As Object
Dim value As Boolean
 
value = UAPublisherId.IsValidExternalValue(value)

[Pure()]
public static bool IsValidExternalValue( 
   object value
)

[Pure()]
public:
static bool IsValidExternalValue( 
   Object^ value
)

Parameters

value: The value to be tested.

Return Value

Returns true if the represents a valid external value of a publisher Id; returns false otherwise.

Remarks

External value is a CLS-compliant value used e.g. when accessing the publisher ID over OpcLabs.EasyOpc.UA.IEasyUAClient. It is System.Byte, System.Int32, System.Int64, System.Decimal, System.String, or null.

null is considered a valid external value.

A zero number or an empty string are invalid external values.

Requirements

Target Platforms: .NET Framework: Windows 10 (selected versions), Windows 11 (selected versions), Windows Server 2016, Windows Server 2022; .NET: Linux, macOS, Microsoft Windows

Reference

UAPublisherId Class
UAPublisherId Members

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