protected new SortedBindingList <Pregunta> Localize(FilterItem item)
        {
            SortedBindingList <Pregunta> list = null;
            Preguntas sourceList = null;

            switch (FilterType)
            {
            case IFilterType.None:
                if (List == null)
                {
                    MessageBox.Show(Face.Resources.Messages.NO_RESULTS);
                    return(null);
                }
                sourceList = List;
                break;

            case IFilterType.Filter:
                if (FilteredList == null)
                {
                    MessageBox.Show(Face.Resources.Messages.NO_RESULTS);
                    return(null);
                }
                sourceList = FilteredList;
                break;

            default:
                sourceList = List;
                break;
            }

            if (item.FilterProperty == IFilterProperty.All)
            {
                FCriteria criteria = GetCriteria(string.Empty, item.Value, null, item.Operation);
                list = sourceList.GetSortedSubList(criteria, _properties_list);
            }
            else
            {
                FCriteria criteria = GetCriteria(item.Column, item.Value, null, item.Operation);
                list = sourceList.GetSortedSubList(criteria, _properties_list);
            }

            if (list.Count == 0)
            {
                MessageBox.Show(Face.Resources.Messages.NO_RESULTS);
                return(sourceList.GetSortedList());
            }

            DatosSearch.DataSource = list;
            DatosSearch.MoveFirst();

            AddFilterItem(item);

            return(list);
        }
        protected new SortedBindingList <Pregunta> Localize(object value, string column_name)
        {
            SortedBindingList <Pregunta> list = null;

            Preguntas sourceList = null;

            switch (FilterType)
            {
            case IFilterType.None:
                if (List == null)
                {
                    MessageBox.Show(moleQule.Face.Resources.Messages.NO_RESULTS);
                    return(null);
                }
                sourceList = List;
                //_filter_values = string.Empty;
                break;

            case IFilterType.Filter:
                if (FilteredList == null)
                {
                    MessageBox.Show(moleQule.Face.Resources.Messages.NO_RESULTS);
                    return(null);
                }
                sourceList = FilteredList;
                break;

            default:
                sourceList = List;
                break;
            }

            FCriteria criteria = null;

            string related = "none";

            switch (column_name)
            {
            default:
                criteria = GetCriteria(column_name, value, null, _operation);
                break;
            }

            switch (related)
            {
            case "none":
                list = sourceList.GetSortedSubList(criteria);
                break;
            }

            if (list.Count == 0)
            {
                MessageBox.Show(Resources.Messages.NO_RESULTS);
                return(sourceList.GetSortedList());
            }

            DatosSearch.DataSource = list;
            DatosSearch.MoveFirst();

            AddFilterItem(column_name, value);

            Tabla.Focus();

            return(list);
        }