Connectivity Software User's Guide and Reference
FilteredBy(ISecurityPrincipal) Method



OpcLabs.EasyOpcUAPrimitives Assembly > OpcLabs.EasyOpc.UA.Security.Subject Namespace > UAPermissionAssignment Class > FilteredBy Method : FilteredBy(ISecurityPrincipal) Method
The security principal to filter by.

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

Returns a filtered permission assignment containing only roles that the security principal has.
Syntax
'Declaration
 
<JetBrains.Annotations.NotNullAttribute()>
Public Overloads Function FilteredBy( _
   ByVal securityPrincipal As ISecurityPrincipal _
) As UAPermissionAssignment
'Usage
 
Dim instance As UAPermissionAssignment
Dim securityPrincipal As ISecurityPrincipal
Dim value As UAPermissionAssignment
 
value = instance.FilteredBy(securityPrincipal)
[JetBrains.Annotations.NotNull()]
public UAPermissionAssignment FilteredBy( 
   ISecurityPrincipal securityPrincipal
)
[JetBrains.Annotations.NotNull()]
public:
UAPermissionAssignment^ FilteredBy( 
   ISecurityPrincipal^ securityPrincipal
) 

Parameters

securityPrincipal
The security principal to filter by.

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

Return Value

A new permission assignment containing only the roles that the principal has.

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

Exceptions
ExceptionDescription

A null reference (Nothing in Visual Basic) is passed to a method that does not accept it as a valid argument.

This is a usage error, i.e. it will never occur (the exception will not be thrown) in a correctly written program. Your code should not catch this exception.

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