Connectivity Software User's Guide and Reference
GetPermissions(Predicate<UARolePermissions>) Method



OpcLabs.EasyOpcUAPrimitives Assembly > OpcLabs.EasyOpc.UA.Security.Subject Namespace > UAPermissionAssignment Class > GetPermissions Method : GetPermissions(Predicate<UARolePermissions>) Method
The predicate to filter role permissions.

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

Gets the combined permissions for all roles matching the specified predicate.
Syntax
'Declaration
 
Public Overloads Function GetPermissions( _
   ByVal predicate As Predicate(Of UARolePermissions) _
) As UAPermissions
'Usage
 
Dim instance As UAPermissionAssignment
Dim predicate As Predicate(Of UARolePermissions)
Dim value As UAPermissions
 
value = instance.GetPermissions(predicate)

Parameters

predicate
The predicate to filter role permissions.

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

Return Value

The combined permissions from all matching role permissions.
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