New AbstractList that inherits BindingList instead of List

[Serializable]
    public abstract class AbstractList<ItemType, ListType> : BindingList<ItemType>, ITypedList
        where ItemType : AbstractRecord<ItemType>, new()
        where ListType : AbstractList<ItemType, ListType>, new()
    {
        public void Sort(string columnName, bool ascending)
        {
            if (!String.IsNullOrEmpty(columnName))
            {
                PropertyDescriptorCollection properties = TypeDescriptor.GetProperties(new ItemType());
                PropertyDescriptor myProperty = properties.Find(columnName, false);

                ListSortDirection sort = ListSortDirection.Descending;
                if (ascending)
                    sort = ListSortDirection.Ascending;

                ApplySortCore(myProperty, sort);

                //ListComparer<ItemType> compare = new ListComparer<ItemType>();
                //ItemType item = new ItemType();
                //DbType dbType = item.GetDBType(columnName);
                //compare.Ascending = ascending;
                //compare.ColumnName = columnName;
                //compare.DBType = dbType;

                //Sort(compare);
            }
        }

[Serializable]
    public partial class <%=className%>Collection : ActiveList[<]<%= className%>, <%=className%>Collection[>] 
    {       
        public <%=className%>Collection() {}
        
        /// <summary>
        /// Provides out-of-the box support for immediate delete under windows forms databinding.  
        /// </summary>
        protected override void RemoveItem(int index)
        {       
            <%=className%> <%=className%>Item = this[index];
            base.RemoveItem(index);
            <%=className%>.Delete(<%=className%>Item.<%=thisPK%>);
            <%=className%>Item = null;
        }
    }