ATMLCommonLibrary.controls.lists.ItemDescriptionReferenceListControl.ControlsToData C# (CSharp) Method

        private void ControlsToData()
        {
            if (lvList.Items.Count == 0)
            {
                _itemDescriptionReferences = null;
            }
            else
            {
                if (_itemDescriptionReferences == null)
                    _itemDescriptionReferences = new List<ItemDescriptionReference>();
                _itemDescriptionReferences.Clear();
                foreach (ListViewItem lvi in lvList.Items)
                    _itemDescriptionReferences.Add(lvi.Tag as ItemDescriptionReference);
            }
        }