'Declaration
 
<JetBrains.Annotations.MustUseReturnValueAttribute()>
<JetBrains.Annotations.PureAttribute()>
Public Overloads Shared Function IsValidInternalValue( _
   ByVal value As Object, _
   ByVal relaxed As Boolean _
) As Boolean

'Usage
 
Dim value As Object
Dim relaxed As Boolean
Dim value As Boolean
 
value = UAPublisherId.IsValidInternalValue(value, relaxed)

[JetBrains.Annotations.MustUseReturnValue()]
[JetBrains.Annotations.Pure()]
public static bool IsValidInternalValue( 
   object value,
   bool relaxed
)

[JetBrains.Annotations.MustUseReturnValue()]
[JetBrains.Annotations.Pure()]
public:
static bool IsValidInternalValue( 
   Object^ value,
   bool relaxed
) 

Parameters

value

The value to be tested.

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

relaxed

If true, zero numeric values and empty strings are considered valid (treated as null); if false, strict validation is applied.

Return Value

Internal value is used in the OPC-UA PubSub specification, not CLS-compliant. It is System.Byte, System.UInt16, System.UInt32, System.UInt64, System.String, or null.

The following internal values are valid:

• null is always considered valid.
• System.Byte values from 1 to 255.
• System.UInt16 (System.UInt16) values from 1 to System.UInt16.MaxValue (65535).
• System.UInt32 (System.UInt32) values from 1 to System.UInt32.MaxValue (4294967295).
• System.UInt64 (System.UInt64) values from 1 to System.UInt64.MaxValue.
• Non-empty System.String values (empty strings are invalid in strict mode, valid in relaxed mode).

When relaxed is false (strict validation), zero numeric values and empty strings are invalid. When relaxed is true, zero numeric values and empty strings are treated as equivalent to null and are considered valid.

This method is pure, i.e. it does not have observable side effects.

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