protected virtual void PrepareVisualElementSortIndicator(CellContext context)
{
Models.ISortableHeader sortModel = (Models.ISortableHeader)context.Cell.Model.FindModel(typeof(Models.ISortableHeader));
if (sortModel != null)
{
Models.SortStatus status = sortModel.GetSortStatus(context);
ElementSort.SortStyle = status.Style;
}
else
ElementSort.SortStyle = DevAge.Drawing.HeaderSortStyle.None;
}