/// <summary>
/// Helper function for preferred identifier validation
/// </summary>
private static void InvalidateForPreferredIdentifier(UniquenessConstraint constraint)
{
if (!constraint.IsInternal &&
!constraint.IsDeleted)
{
foreach (PresentationElement pel in PresentationViewsSubject.GetPresentation(constraint))
{
ExternalConstraintShape constraintShape = pel as ExternalConstraintShape;
if (constraintShape != null)
{
constraintShape.Invalidate(true);
}
}
}
}
