InitializeTaxaList method

TaxonomyControlCustom.cs

protected override void InitializeTaxaList()
        {
            if (this.RenderAs == RenderTaxonomyAs.HierarchicalList)
            {
                IDictionary<ITaxon, uint> taxaItemsCountForTaxonomy = null;
                if (this.ContentId == Guid.Empty)
                {
                    taxaItemsCountForTaxonomy = this.GetTaxaItemsCountForTaxonomy();
                }
                else
                {
                    taxaItemsCountForTaxonomy = this.GetTaxaFromContentItem();
                }

                int taxonDataCount = 0;
                List<CustomTaxonData> taxonDatas = this.CustomPrepareData(taxaItemsCountForTaxonomy);
                taxonDataCount = taxonDatas.Count;

                // After obtaining the data we configure and bind the tree view.
                this.ConfigureTreeViewHierarchicalListControl(taxonDatas);                

                this.IsEmpty = taxonDataCount == 0;
                if (!this.IsEmpty)
                {
                    this.TitleLabel.Text = this.Title;
                }
            }
            else
            {
                base.InitializeTaxaList();
            }
        }