BrightIdeasSoftware.ObjectListView.BuildBeforeSortingEventArgs C# (CSharp) Method

        private BeforeSortingEventArgs BuildBeforeSortingEventArgs(OLVColumn column, SortOrder order)
        {
            OLVColumn groupBy = this.AlwaysGroupByColumn ?? column ?? this.GetColumn(0);
            SortOrder groupByOrder = this.AlwaysGroupBySortOrder;
            if (order == SortOrder.None) {
                order = this.Sorting;
                if (order == SortOrder.None)
                    order = SortOrder.Ascending;
            }
            if (groupByOrder == SortOrder.None)
                groupByOrder = order;

            BeforeSortingEventArgs args = new BeforeSortingEventArgs(
                groupBy, groupByOrder,
                column, order,
                this.SecondarySortColumn ?? this.GetColumn(0),
                this.SecondarySortOrder == SortOrder.None ? order : this.SecondarySortOrder);
            if (column != null)
                args.Canceled = !column.Sortable;
            return args;
        }