//------------------------------------------------------------------- private void FavoritesToolStripMenuItem_Click(object sender, EventArgs e) { if (_MenuTaxonTreeNode == null) { return; } if (TaxonUtils.Favorites.Contains(_MenuTaxonTreeNode.GetOriginal())) { TaxonUtils.FavoritesRemove(_MenuTaxonTreeNode); } else { TaxonUtils.FavoritesAdd(_MenuTaxonTreeNode); } }