IfcDoc.CtlProperties.UpdateConceptInheritance C# (CSharp) Method

        private void UpdateConceptInheritance(ListViewItem lvi, DocTemplateUsage docConcept)
        {
            if(docConcept == null)
            {
                lvi.ImageIndex = 3;
            }
            else if (docConcept.Suppress)
            {
                lvi.ImageIndex = 2;
            }
            else if (docConcept.Override)
            {
                lvi.ImageIndex = 1;
            }
            else
            {
                lvi.ImageIndex = 0;
            }
        }